| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
2.01 |
| 8 |
2018 |
2.06 |
| 9 |
2017 |
1.89 |
| 10 |
2016 |
2.15 |
| 11 |
2015 |
2.20 |
| 12 |
2014 |
2.38 |
| 13 |
2013 |
2.43 |
| 14 |
2012 |
2.52 |
| 15 |
2011 |
2.59 |
| 16 |
2010 |
2.67 |
| 17 |
2009 |
2.81 |
| 18 |
2008 |
2.95 |
| 19 |
2007 |
2.99 |
| 20 |
2006 |
3.24 |
| 21 |
2005 |
3.43 |
| 22 |
2004 |
4.12 |
| 23 |
2003 |
4.53 |
| 24 |
2002 |
5.35 |
| 25 |
2001 |
5.97 |
| 26 |
2000 |
6.81 |
| 27 |
1999 |
7.93 |
| 28 |
1998 |
8.59 |
| 29 |
1997 |
9.62 |
| 30 |
1996 |
10.75 |
| 31 |
1995 |
11.32 |
| 32 |
1994 |
12.33 |
| 33 |
1993 |
15.10 |
| 34 |
1992 |
20.19 |
| 35 |
1991 |
22.86 |
| 36 |
1990 |
26.70 |
| 37 |
1989 |
26.45 |
| 38 |
1988 |
25.84 |
| 39 |
1987 |
29.39 |
| 40 |
1986 |
29.25 |
| 41 |
1985 |
32.32 |
| 42 |
1984 |
32.40 |
| 43 |
1983 |
34.38 |
| 44 |
1982 |
38.36 |
| 45 |
1981 |
39.34 |
| 46 |
1980 |
41.98 |
| 47 |
1979 |
44.21 |
| 48 |
1978 |
47.86 |
