| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 86.06 |
| 12 | 2010 | 86.09 |
| 13 | 2009 | 85.85 |
| 14 | 2008 | 85.04 |
| 15 | 2007 | 84.40 |
| 16 | 2006 | 83.56 |
| 17 | 2005 | 83.15 |
| 18 | 2004 | 82.68 |
| 19 | 2003 | 81.32 |
| 20 | 2002 | 80.07 |
| 21 | 2001 | 78.90 |
| 22 | 2000 | 77.69 |
| 23 | 1999 | 76.95 |
| 24 | 1998 | 75.40 |
| 25 | 1997 | 73.76 |
| 26 | 1996 | 72.66 |
| 27 | 1995 | 71.16 |
| 28 | 1994 | 69.89 |
| 29 | 1993 | 68.49 |
| 30 | 1992 | 66.30 |
| 31 | 1991 | 64.78 |
| 32 | 1990 | 62.40 |
| 33 | 1989 | 60.09 |
| 34 | 1988 | 57.62 |
| 35 | 1987 | 55.54 |
| 36 | 1986 | 55.01 |
| 37 | 1985 | 54.00 |
| 38 | 1984 | 53.67 |
| 39 | 1983 | 53.81 |
| 40 | 1982 | 52.12 |
| 41 | 1981 | 50.17 |
| 42 | 1980 | 48.40 |
| 43 | 1979 | 48.16 |
| 44 | 1978 | 47.35 |
