| 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 |
8.93 |
| 12 |
2013 |
8.98 |
| 13 |
2012 |
8.65 |
| 14 |
2011 |
7.98 |
| 15 |
2010 |
7.86 |
| 16 |
2009 |
6.95 |
| 17 |
2008 |
7.45 |
| 18 |
2007 |
7.42 |
| 19 |
2006 |
7.81 |
| 20 |
2005 |
8.04 |
| 21 |
2004 |
7.64 |
| 22 |
2003 |
6.75 |
| 23 |
2002 |
7.47 |
| 24 |
2001 |
7.45 |
| 25 |
2000 |
8.70 |
| 26 |
1999 |
8.53 |
| 27 |
1998 |
8.60 |
| 28 |
1997 |
8.89 |
| 29 |
1996 |
10.01 |
| 30 |
1995 |
9.69 |
| 31 |
1994 |
10.36 |
| 32 |
1993 |
11.17 |
| 33 |
1992 |
11.45 |
| 34 |
1991 |
11.92 |
| 35 |
1990 |
14.38 |
| 36 |
1989 |
15.32 |
| 37 |
1988 |
14.69 |
| 38 |
1987 |
15.35 |
| 39 |
1986 |
13.46 |
| 40 |
1985 |
9.99 |
| 41 |
1984 |
9.06 |
| 42 |
1983 |
11.13 |
| 43 |
1982 |
16.05 |
| 44 |
1981 |
16.84 |
| 45 |
1980 |
13.61 |
| 46 |
1979 |
13.33 |
| 47 |
1978 |
14.97 |
| 48 |
1975 |
16.75 |
| 49 |
1970 |
29.23 |
| 50 |
1965 |
36.56 |
| 51 |
1962 |
38.91 |
| 52 |
1957 |
35.22 |
| 53 |
1954 |
41.77 |
