| 序号 |
时间(年) |
数据(单位：‰) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
175.12 |
| 8 |
2017 |
182.57 |
| 9 |
2016 |
184.61 |
| 10 |
2015 |
187.89 |
| 11 |
2014 |
192.27 |
| 12 |
2013 |
201.25 |
| 13 |
2012 |
203.34 |
| 14 |
2011 |
206.58 |
| 15 |
2010 |
216.83 |
| 16 |
2009 |
222.11 |
| 17 |
2008 |
233.44 |
| 18 |
2007 |
238.00 |
| 19 |
2006 |
243.75 |
| 20 |
2005 |
254.95 |
| 21 |
2004 |
265.87 |
| 22 |
2003 |
269.35 |
| 23 |
2002 |
277.36 |
| 24 |
2001 |
281.18 |
| 25 |
2000 |
298.69 |
| 26 |
1999 |
366.04 |
| 27 |
1998 |
320.94 |
| 28 |
1997 |
298.74 |
| 29 |
1996 |
303.25 |
| 30 |
1995 |
312.58 |
| 31 |
1994 |
317.64 |
| 32 |
1993 |
325.50 |
| 33 |
1992 |
329.97 |
| 34 |
1991 |
342.75 |
| 35 |
1990 |
351.52 |
| 36 |
1989 |
366.06 |
| 37 |
1988 |
363.79 |
| 38 |
1987 |
370.49 |
| 39 |
1986 |
376.88 |
| 40 |
1985 |
382.67 |
| 41 |
1984 |
388.30 |
| 42 |
1983 |
394.18 |
| 43 |
1982 |
397.94 |
| 44 |
1981 |
401.99 |
| 45 |
1980 |
402.83 |
| 46 |
1979 |
403.68 |
| 47 |
1978 |
407.42 |
| 48 |
1977 |
407.25 |
| 49 |
1976 |
415.43 |
| 50 |
1975 |
420.71 |
| 51 |
1974 |
425.96 |
| 52 |
1973 |
430.42 |
| 53 |
1972 |
433.13 |
| 54 |
1971 |
434.91 |
| 55 |
1970 |
437.07 |
| 56 |
1969 |
440.43 |
| 57 |
1968 |
439.85 |
| 58 |
1967 |
441.23 |
| 59 |
1966 |
442.89 |
| 60 |
1965 |
444.89 |
| 61 |
1964 |
445.43 |
| 62 |
1963 |
449.79 |
| 63 |
1962 |
451.19 |
| 64 |
1961 |
454.10 |
| 65 |
1960 |
456.44 |
