| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 69.48 |
| 8 | 2012 | 69.21 |
| 9 | 2011 | 69.50 |
| 10 | 2010 | 69.66 |
| 11 | 2009 | 70.95 |
| 12 | 2008 | 71.91 |
| 13 | 2007 | 72.26 |
| 14 | 2006 | 71.34 |
| 15 | 2005 | 70.84 |
| 16 | 2002 | 68.73 |
| 17 | 2000 | 67.58 |
| 18 | 1999 | 66.84 |
| 19 | 1998 | 66.73 |
| 20 | 1997 | 65.60 |
| 21 | 1996 | 64.35 |
| 22 | 1995 | 64.05 |
| 23 | 1994 | 62.60 |
| 24 | 1993 | 60.25 |
| 25 | 1992 | 63.20 |
| 26 | 1991 | 56.68 |
| 27 | 1990 | 61.10 |
| 28 | 1989 | 56.53 |
| 29 | 1988 | 57.09 |
| 30 | 1987 | 62.24 |
| 31 | 1986 | 66.48 |
| 32 | 1985 | 70.59 |
| 33 | 1983 | 74.54 |
| 34 | 1981 | 75.00 |
| 35 | 1979 | 74.94 |
| 36 | 1978 | 48.10 |
| 37 | 1974 | 44.86 |
| 38 | 1971 | 44.66 |
