| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
60.71 |
| 8 |
2014 |
60.25 |
| 9 |
2013 |
60.12 |
| 10 |
2012 |
59.78 |
| 11 |
2011 |
59.46 |
| 12 |
2010 |
59.02 |
| 13 |
2009 |
58.56 |
| 14 |
2008 |
58.17 |
| 15 |
2007 |
56.94 |
| 16 |
2006 |
56.29 |
| 17 |
2005 |
54.92 |
| 18 |
2004 |
51.71 |
| 19 |
2003 |
51.92 |
| 20 |
2002 |
51.37 |
| 21 |
2001 |
50.67 |
| 22 |
2000 |
50.33 |
| 23 |
1999 |
49.75 |
| 24 |
1998 |
49.12 |
| 25 |
1997 |
48.39 |
| 26 |
1996 |
47.71 |
| 27 |
1995 |
47.02 |
| 28 |
1994 |
46.45 |
| 29 |
1993 |
45.75 |
| 30 |
1992 |
45.28 |
| 31 |
1991 |
44.75 |
| 32 |
1984 |
28.30 |
| 33 |
1983 |
25.50 |
| 34 |
1982 |
33.50 |
| 35 |
1981 |
25.80 |
| 36 |
1980 |
22.70 |
