| 序号 |
时间(年) |
数据(单位：‰) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
|
| 8 |
2017 |
|
| 9 |
2016 |
|
| 10 |
2015 |
|
| 11 |
2014 |
8.46 |
| 12 |
2013 |
8.26 |
| 13 |
2012 |
7.99 |
| 14 |
2011 |
7.13 |
| 15 |
2010 |
7.46 |
| 16 |
2009 |
8.40 |
| 17 |
2008 |
7.68 |
| 18 |
2007 |
7.23 |
| 19 |
2006 |
7.14 |
| 20 |
2005 |
7.33 |
| 21 |
2004 |
7.46 |
| 22 |
2003 |
6.73 |
| 23 |
2002 |
7.31 |
| 24 |
2001 |
7.36 |
| 25 |
2000 |
8.74 |
| 26 |
1999 |
10.16 |
| 27 |
1998 |
9.34 |
| 28 |
1997 |
10.77 |
| 29 |
1996 |
11.34 |
| 30 |
1995 |
9.30 |
| 31 |
1994 |
10.66 |
| 32 |
1993 |
10.99 |
| 33 |
1992 |
11.52 |
| 34 |
1991 |
10.27 |
| 35 |
1990 |
12.21 |
| 36 |
1989 |
13.50 |
| 37 |
1988 |
13.67 |
| 38 |
1987 |
13.16 |
| 39 |
1986 |
12.19 |
| 40 |
1985 |
9.82 |
| 41 |
1984 |
9.52 |
| 42 |
1983 |
11.53 |
| 43 |
1982 |
16.89 |
| 44 |
1981 |
17.66 |
| 45 |
1980 |
14.31 |
| 46 |
1979 |
13.31 |
| 47 |
1978 |
18.83 |
| 48 |
1975 |
17.35 |
| 49 |
1970 |
24.73 |
| 50 |
1965 |
32.78 |
| 51 |
1962 |
29.83 |
| 52 |
1957 |
36.60 |
| 53 |
1954 |
41.51 |
