| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
21.17 |
| 8 |
2016 |
20.44 |
| 9 |
2015 |
21.70 |
| 10 |
2014 |
22.20 |
| 11 |
2013 |
22.16 |
| 12 |
2012 |
28.93 |
| 13 |
2011 |
30.91 |
| 14 |
2010 |
33.11 |
| 15 |
2009 |
29.35 |
| 16 |
2008 |
24.34 |
| 17 |
2007 |
22.52 |
| 18 |
2006 |
20.18 |
| 19 |
2005 |
20.08 |
| 20 |
2004 |
21.11 |
| 21 |
2003 |
22.58 |
| 22 |
2002 |
24.40 |
| 23 |
2001 |
26.44 |
| 24 |
2000 |
32.07 |
| 25 |
1999 |
28.86 |
| 26 |
1998 |
46.06 |
| 27 |
1997 |
43.18 |
| 28 |
1996 |
44.35 |
| 29 |
1995 |
42.85 |
| 30 |
1994 |
38.31 |
| 31 |
1993 |
39.61 |
| 32 |
1992 |
41.18 |
| 33 |
1991 |
43.14 |
| 34 |
1990 |
45.44 |
| 35 |
1989 |
52.94 |
| 36 |
1988 |
52.71 |
| 37 |
1987 |
54.85 |
| 38 |
1985 |
55.94 |
