| 序号 |
时间(年) |
数据(单位：‰) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
391.37 |
| 8 |
2017 |
405.93 |
| 9 |
2016 |
409.21 |
| 10 |
2015 |
419.83 |
| 11 |
2014 |
435.07 |
| 12 |
2013 |
465.99 |
| 13 |
2012 |
501.96 |
| 14 |
2011 |
544.86 |
| 15 |
2010 |
593.69 |
| 16 |
2009 |
641.97 |
| 17 |
2008 |
662.14 |
| 18 |
2007 |
684.20 |
| 19 |
2006 |
700.91 |
| 20 |
2005 |
714.68 |
| 21 |
2004 |
726.95 |
| 22 |
2003 |
744.54 |
| 23 |
2002 |
728.76 |
| 24 |
2001 |
774.86 |
| 25 |
2000 |
733.17 |
| 26 |
1999 |
727.64 |
| 27 |
1998 |
688.33 |
| 28 |
1997 |
652.46 |
| 29 |
1996 |
622.40 |
| 30 |
1995 |
596.06 |
| 31 |
1994 |
544.15 |
| 32 |
1993 |
500.80 |
| 33 |
1992 |
457.51 |
| 34 |
1991 |
419.33 |
| 35 |
1990 |
396.18 |
| 36 |
1989 |
375.22 |
| 37 |
1988 |
347.71 |
| 38 |
1987 |
335.40 |
| 39 |
1986 |
316.94 |
| 40 |
1985 |
312.66 |
| 41 |
1984 |
310.08 |
| 42 |
1983 |
316.30 |
| 43 |
1982 |
312.53 |
| 44 |
1981 |
314.79 |
| 45 |
1980 |
315.60 |
| 46 |
1979 |
459.74 |
| 47 |
1978 |
469.42 |
| 48 |
1977 |
390.90 |
| 49 |
1976 |
360.72 |
| 50 |
1975 |
331.11 |
| 51 |
1974 |
335.14 |
| 52 |
1973 |
338.52 |
| 53 |
1972 |
332.67 |
| 54 |
1971 |
336.68 |
| 55 |
1970 |
338.45 |
| 56 |
1969 |
343.65 |
| 57 |
1968 |
349.07 |
| 58 |
1967 |
349.57 |
| 59 |
1966 |
352.19 |
| 60 |
1965 |
355.01 |
| 61 |
1964 |
358.80 |
| 62 |
1963 |
361.35 |
| 63 |
1962 |
366.06 |
| 64 |
1961 |
369.92 |
| 65 |
1960 |
374.00 |
