| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
1.50 |
| 8 |
2018 |
1.57 |
| 9 |
2017 |
1.66 |
| 10 |
2016 |
1.87 |
| 11 |
2015 |
2.27 |
| 12 |
2014 |
2.80 |
| 13 |
2013 |
2.93 |
| 14 |
2012 |
3.06 |
| 15 |
2011 |
3.49 |
| 16 |
2010 |
3.32 |
| 17 |
2009 |
3.25 |
| 18 |
2008 |
3.26 |
| 19 |
2007 |
3.10 |
| 20 |
2006 |
2.95 |
| 21 |
2005 |
2.83 |
| 22 |
2004 |
3.05 |
| 23 |
2003 |
5.47 |
| 24 |
2002 |
4.27 |
| 25 |
2001 |
4.88 |
| 26 |
2000 |
4.80 |
| 27 |
1999 |
4.76 |
| 28 |
1998 |
4.80 |
| 29 |
1997 |
4.65 |
| 30 |
1996 |
4.50 |
| 31 |
1995 |
4.43 |
| 32 |
1994 |
3.83 |
| 33 |
1993 |
4.04 |
| 34 |
1992 |
4.31 |
| 35 |
1991 |
4.14 |
| 36 |
1990 |
3.44 |
| 37 |
1989 |
3.11 |
| 38 |
1988 |
3.13 |
| 39 |
1987 |
3.23 |
| 40 |
1986 |
4.50 |
| 41 |
1985 |
5.39 |
| 42 |
1984 |
5.34 |
| 43 |
1983 |
5.57 |
| 44 |
1982 |
4.50 |
| 45 |
1981 |
4.50 |
