| 序号 |
时间(年) |
数据(单位：‰) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
41.78 |
| 8 |
2016 |
43.80 |
| 9 |
2015 |
44.69 |
| 10 |
2014 |
46.01 |
| 11 |
2013 |
45.33 |
| 12 |
2012 |
46.71 |
| 13 |
2011 |
49.35 |
| 14 |
2010 |
48.69 |
| 15 |
2009 |
50.08 |
| 16 |
2008 |
50.26 |
| 17 |
2007 |
51.86 |
| 18 |
2006 |
51.44 |
| 19 |
2005 |
55.20 |
| 20 |
2004 |
55.04 |
| 21 |
2003 |
59.49 |
| 22 |
2002 |
58.83 |
| 23 |
2001 |
60.14 |
| 24 |
2000 |
63.20 |
| 25 |
1999 |
63.64 |
| 26 |
1998 |
62.27 |
| 27 |
1997 |
61.96 |
| 28 |
1996 |
67.43 |
| 29 |
1995 |
67.85 |
| 30 |
1994 |
70.50 |
| 31 |
1993 |
72.48 |
| 32 |
1992 |
71.61 |
| 33 |
1991 |
73.14 |
| 34 |
1990 |
74.58 |
| 35 |
1989 |
73.37 |
| 36 |
1988 |
73.15 |
| 37 |
1987 |
76.68 |
| 38 |
1986 |
80.43 |
| 39 |
1985 |
82.72 |
| 40 |
1984 |
83.99 |
| 41 |
1983 |
90.63 |
| 42 |
1982 |
89.94 |
| 43 |
1981 |
89.63 |
| 44 |
1980 |
91.57 |
| 45 |
1979 |
91.77 |
| 46 |
1978 |
93.18 |
| 47 |
1977 |
97.24 |
| 48 |
1976 |
98.31 |
| 49 |
1975 |
99.77 |
| 50 |
1974 |
100.14 |
| 51 |
1973 |
101.03 |
| 52 |
1972 |
101.49 |
| 53 |
1971 |
103.96 |
| 54 |
1970 |
107.65 |
| 55 |
1969 |
110.71 |
| 56 |
1968 |
105.06 |
| 57 |
1967 |
108.79 |
| 58 |
1966 |
108.34 |
| 59 |
1965 |
109.52 |
| 60 |
1964 |
108.82 |
| 61 |
1963 |
112.71 |
| 62 |
1962 |
113.13 |
| 63 |
1961 |
113.02 |
| 64 |
1960 |
118.00 |
