注：2014-2016年=100
| 序号 |
时间(年) |
数据(单位：-) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
106.73 |
| 8 |
2016 |
101.72 |
| 9 |
2015 |
87.71 |
| 10 |
2014 |
110.57 |
| 11 |
2013 |
85.07 |
| 12 |
2012 |
55.39 |
| 13 |
2011 |
49.88 |
| 14 |
2010 |
36.23 |
| 15 |
2009 |
16.23 |
| 16 |
2008 |
7.80 |
| 17 |
2007 |
3.62 |
| 18 |
2006 |
2.13 |
| 19 |
2005 |
4.18 |
| 20 |
2004 |
4.46 |
| 21 |
2003 |
3.14 |
| 22 |
2002 |
2.40 |
| 23 |
2001 |
2.23 |
| 24 |
2000 |
4.28 |
| 25 |
1999 |
4.88 |
| 26 |
1998 |
3.62 |
| 27 |
1997 |
1.53 |
| 28 |
1996 |
1.41 |
| 29 |
1995 |
10.65 |
| 30 |
1994 |
27.07 |
| 31 |
1993 |
20.55 |
| 32 |
1992 |
13.93 |
| 33 |
1991 |
23.76 |
| 34 |
1990 |
22.52 |
| 35 |
1989 |
10.31 |
| 36 |
1988 |
19.10 |
| 37 |
1987 |
6.99 |
| 38 |
1986 |
9.06 |
| 39 |
1985 |
6.69 |
| 40 |
1984 |
2.02 |
| 41 |
1983 |
1.85 |
| 42 |
1982 |
1.60 |
| 43 |
1981 |
1.53 |
| 44 |
1980 |
4.04 |
| 45 |
1979 |
0.95 |
| 46 |
1978 |
0.88 |
| 47 |
1977 |
0.91 |
| 48 |
1976 |
0.85 |
