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 |
148.80 |
| 8 |
2016 |
97.77 |
| 9 |
2015 |
103.63 |
| 10 |
2014 |
98.60 |
| 11 |
2013 |
93.49 |
| 12 |
2012 |
41.69 |
| 13 |
2011 |
12.41 |
| 14 |
2010 |
11.71 |
| 15 |
2009 |
13.09 |
| 16 |
2008 |
61.61 |
| 17 |
2007 |
14.83 |
| 18 |
2006 |
13.64 |
| 19 |
2005 |
92.04 |
| 20 |
2004 |
71.76 |
| 21 |
2003 |
31.21 |
| 22 |
2002 |
71.43 |
| 23 |
2001 |
66.18 |
| 24 |
2000 |
101.65 |
| 25 |
1999 |
46.71 |
| 26 |
1998 |
41.41 |
| 27 |
1997 |
34.64 |
| 28 |
1996 |
32.64 |
| 29 |
1995 |
37.57 |
| 30 |
1994 |
36.41 |
| 31 |
1993 |
43.72 |
| 32 |
1992 |
44.05 |
| 33 |
1991 |
28.89 |
| 34 |
1990 |
19.22 |
| 35 |
1989 |
17.00 |
| 36 |
1988 |
10.97 |
| 37 |
1987 |
13.25 |
| 38 |
1986 |
15.18 |
| 39 |
1985 |
21.08 |
| 40 |
1984 |
17.21 |
| 41 |
1983 |
17.70 |
| 42 |
1982 |
22.31 |
| 43 |
1981 |
18.20 |
| 44 |
1980 |
12.03 |
| 45 |
1979 |
13.60 |
| 46 |
1978 |
12.65 |
| 47 |
1977 |
3.13 |
| 48 |
1976 |
4.42 |
| 49 |
1975 |
5.52 |
| 50 |
1974 |
3.12 |
| 51 |
1973 |
2.01 |
| 52 |
1972 |
0.80 |
| 53 |
1971 |
0.97 |
| 54 |
1970 |
3.31 |
| 55 |
1969 |
1.93 |
| 56 |
1968 |
0.41 |
| 57 |
1967 |
0.34 |
