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 |
121.12 |
| 8 |
2016 |
101.65 |
| 9 |
2015 |
107.91 |
| 10 |
2014 |
90.44 |
| 11 |
2013 |
91.29 |
| 12 |
2012 |
76.17 |
| 13 |
2011 |
52.95 |
| 14 |
2010 |
63.26 |
| 15 |
2009 |
58.79 |
| 16 |
2008 |
54.86 |
| 17 |
2007 |
53.54 |
| 18 |
2006 |
52.49 |
| 19 |
2005 |
45.55 |
| 20 |
2004 |
51.32 |
| 21 |
2003 |
41.20 |
| 22 |
2002 |
35.37 |
| 23 |
2001 |
32.79 |
| 24 |
2000 |
34.93 |
| 25 |
1999 |
29.00 |
| 26 |
1998 |
29.09 |
| 27 |
1997 |
26.02 |
| 28 |
1996 |
28.19 |
| 29 |
1995 |
29.70 |
| 30 |
1994 |
29.30 |
| 31 |
1993 |
33.65 |
| 32 |
1992 |
25.34 |
| 33 |
1991 |
25.27 |
| 34 |
1990 |
21.34 |
| 35 |
1989 |
28.89 |
| 36 |
1988 |
18.29 |
| 37 |
1987 |
17.29 |
| 38 |
1986 |
15.48 |
| 39 |
1985 |
17.91 |
| 40 |
1984 |
10.89 |
| 41 |
1983 |
7.62 |
| 42 |
1982 |
9.04 |
| 43 |
1981 |
9.79 |
| 44 |
1980 |
8.73 |
| 45 |
1979 |
7.75 |
| 46 |
1978 |
6.87 |
| 47 |
1977 |
4.90 |
| 48 |
1976 |
2.94 |
| 49 |
1975 |
1.96 |
| 50 |
1974 |
0.98 |
