| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
18.81 |
| 8 |
2014 |
17.98 |
| 9 |
2011 |
52.86 |
| 10 |
2010 |
70.14 |
| 11 |
2009 |
67.67 |
| 12 |
2008 |
72.73 |
| 13 |
2007 |
71.82 |
| 14 |
2006 |
71.04 |
| 15 |
2005 |
72.31 |
| 16 |
2004 |
68.96 |
| 17 |
2003 |
64.40 |
| 18 |
2002 |
63.40 |
| 19 |
2001 |
63.22 |
| 20 |
2000 |
64.37 |
| 21 |
1999 |
64.31 |
| 22 |
1998 |
63.86 |
| 23 |
1997 |
63.97 |
| 24 |
1996 |
63.19 |
| 25 |
1995 |
64.21 |
| 26 |
1994 |
63.42 |
| 27 |
1993 |
60.72 |
| 28 |
1992 |
60.99 |
| 29 |
1991 |
60.29 |
| 30 |
1990 |
56.62 |
| 31 |
1988 |
68.34 |
| 32 |
1987 |
68.00 |
| 33 |
1986 |
61.40 |
| 34 |
1985 |
57.87 |
| 35 |
1984 |
68.53 |
| 36 |
1983 |
58.64 |
| 37 |
1982 |
56.19 |
| 38 |
1981 |
69.10 |
| 39 |
1980 |
68.90 |
| 40 |
1979 |
56.94 |
