                                                                             2006                                                                                

                    
                            
                                                                                                          

      2000                                                   
                                                                                                                                                         
            1993                                              2000                    2001                    2002                                
         1988                                                                                     
      1996   2014                                                                                                                                           
                                                                                                              
                                                                                                                                                                                                                   
                                                     
                                                                                                                                                                                                       130                                       
                                                                  600                                                
                                            
          2007                                                                                                    
                                                
     2006                                                                                                                           
       2007                                                             
                                                  
                     
                                               
                                                                                                          
                                                                                                                                    
                    

                    
                                                                                            
                             
                     
                           
                     
                           
                     
                                                                                                                                                         
        2012                                               
                     

 
                     
                        
                    
                       
                               
                  
                           
                
                            
                  
                             
                               
                              
                  
                             
                  
                              
                   
                            
                              
                   
                            
                   
                           
                          
                                  
                          
                    