55 30 1979 2009 1979 27.50 2009 12.08 56.07% 1981 29.47 2009 12.08 59% 1 1 2009.12
10 1979 1989 1.84 12% 10 1990 1999 4.8 19.82% 10 2000 2009 5.96 33.03% 10 12% 10 19.82% 10 33.03% 1981 30 10 10 10
2010 6 1 12.5 6. 1 ① 1947 1997 1997 ② 1979 2009 2010.4 ③ 2008.2009.2010 ④ 2010 3 ⑤ 2007.2008
⑥ 2003 ⑦ 2007