| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
|
| 8 |
2018 |
|
| 9 |
2017 |
|
| 10 |
2016 |
|
| 11 |
2015 |
3.23 |
| 12 |
2014 |
3.44 |
| 13 |
2013 |
3.68 |
| 14 |
2012 |
4.14 |
| 15 |
2011 |
4.36 |
| 16 |
2010 |
4.17 |
| 17 |
2009 |
3.95 |
| 18 |
2008 |
4.43 |
| 19 |
2007 |
4.44 |
| 20 |
2006 |
4.66 |
| 21 |
2005 |
5.10 |
| 22 |
2004 |
5.51 |
| 23 |
2003 |
5.48 |
| 24 |
2002 |
5.78 |
| 25 |
2001 |
6.24 |
| 26 |
2000 |
6.91 |
| 27 |
1999 |
7.89 |
| 28 |
1998 |
9.87 |
| 29 |
1997 |
10.50 |
| 30 |
1996 |
11.53 |
| 31 |
1995 |
12.53 |
| 32 |
1994 |
10.93 |
| 33 |
1993 |
9.84 |
| 34 |
1992 |
11.39 |
| 35 |
1991 |
12.61 |
| 36 |
1990 |
11.96 |
| 37 |
1989 |
11.68 |
| 38 |
1988 |
11.56 |
| 39 |
1987 |
13.39 |
| 40 |
1986 |
14.58 |
| 41 |
1985 |
15.21 |
| 42 |
1980 |
14.94 |
| 43 |
1978 |
19.05 |
| 44 |
1975 |
19.41 |
| 45 |
1970 |
17.62 |
| 46 |
1965 |
20.53 |
| 47 |
1957 |
26.06 |
| 48 |
1952 |
47.18 |
