| 序号 |
时间(年) |
数据(单位：‰) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
6.56 |
| 8 |
2018 |
7.37 |
| 9 |
2017 |
7.71 |
| 10 |
2016 |
7.29 |
| 11 |
2015 |
6.96 |
| 12 |
2014 |
6.98 |
| 13 |
2013 |
6.91 |
| 14 |
2012 |
7.32 |
| 15 |
2011 |
7.50 |
| 16 |
2010 |
7.66 |
| 17 |
2009 |
7.89 |
| 18 |
2008 |
7.91 |
| 19 |
2007 |
7.87 |
| 20 |
2006 |
7.79 |
| 21 |
2005 |
7.83 |
| 22 |
2004 |
7.62 |
| 23 |
2003 |
8.09 |
| 24 |
2002 |
8.72 |
| 25 |
2001 |
9.38 |
| 26 |
2000 |
9.48 |
| 27 |
1999 |
9.49 |
| 28 |
1998 |
9.80 |
| 29 |
1997 |
10.87 |
| 30 |
1996 |
10.51 |
| 31 |
1995 |
11.66 |
| 32 |
1994 |
12.38 |
| 33 |
1993 |
13.44 |
| 34 |
1992 |
12.46 |
| 35 |
1991 |
14.07 |
| 36 |
1990 |
17.05 |
| 37 |
1989 |
16.70 |
| 38 |
1988 |
14.10 |
| 39 |
1987 |
15.69 |
| 40 |
1986 |
18.70 |
| 41 |
1985 |
14.90 |
| 42 |
1984 |
18.50 |
| 43 |
1983 |
13.69 |
| 44 |
1982 |
13.11 |
| 45 |
1981 |
13.88 |
| 46 |
1980 |
12.19 |
| 47 |
1979 |
13.80 |
| 48 |
1978 |
19.62 |
| 49 |
1977 |
21.59 |
| 50 |
1976 |
24.07 |
| 51 |
1975 |
25.97 |
| 52 |
1974 |
25.79 |
| 53 |
1973 |
28.49 |
| 54 |
1972 |
24.21 |
| 55 |
1971 |
22.47 |
| 56 |
1970 |
24.04 |
| 57 |
1969 |
26.00 |
| 58 |
1968 |
29.07 |
| 59 |
1967 |
27.12 |
| 60 |
1966 |
29.64 |
| 61 |
1965 |
29.46 |
| 62 |
1964 |
27.18 |
| 63 |
1963 |
29.80 |
| 64 |
1962 |
26.19 |
| 65 |
1961 |
9.46 |
| 66 |
1960 |
10.81 |
| 67 |
1959 |
15.63 |
| 68 |
1958 |
18.94 |
| 69 |
1957 |
26.86 |
| 70 |
1956 |
16.52 |
| 71 |
1955 |
16.10 |
| 72 |
1954 |
18.34 |
| 73 |
1953 |
18.47 |
| 74 |
1952 |
16.79 |
| 75 |
1951 |
14.63 |
| 76 |
1950 |
14.73 |
| 77 |
1949 |
16.44 |
