| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2018 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | |
| 8 | 2011 | |
| 9 | 2010 | |
| 10 | 2009 | |
| 11 | 2008 | 334.11 |
| 12 | 2007 | 332.94 |
| 13 | 2006 | 355.85 |
| 14 | 2005 | 369.19 |
| 15 | 2004 | 362.61 |
| 16 | 2003 | 372.78 |
| 17 | 2002 | 383.42 |
| 18 | 2001 | 369.56 |
| 19 | 2000 | 354.09 |
| 20 | 1999 | 375.93 |
| 21 | 1998 | 370.60 |
| 22 | 1997 | 360.64 |
| 23 | 1996 | 358.55 |
| 24 | 1995 | 363.73 |
| 25 | 1994 | 348.40 |
| 26 | 1993 | 343.27 |
| 27 | 1992 | 310.86 |
| 28 | 1991 | 294.25 |
| 29 | 1990 | 281.95 |
| 30 | 1989 | 273.41 |
| 31 | 1988 | 250.12 |
| 32 | 1987 | 246.36 |
| 33 | 1986 | 241.93 |
| 34 | 1985 | 275.58 |
| 35 | 1984 | 298.33 |
| 36 | 1983 | 282.45 |
| 37 | 1982 | 279.03 |
| 38 | 1981 | 279.22 |
| 39 | 1980 | 277.66 |
| 40 | 1979 | 276.73 |
| 41 | 1978 | 265.55 |
| 42 | 1977 | 260.78 |
| 43 | 1976 | 254.90 |
| 44 | 1975 | 248.70 |
| 45 | 1974 | 232.67 |
| 46 | 1973 | 230.30 |
| 47 | 1972 | 230.39 |
| 48 | 1971 | 226.11 |
| 49 | 1970 | 226.44 |
| 50 | 1969 | 216.69 |
| 51 | 1968 | 208.44 |
| 52 | 1967 | 202.68 |
| 53 | 1966 | 198.80 |
| 54 | 1965 | 198.21 |
| 55 | 1964 | 193.62 |
| 56 | 1963 | 199.63 |
| 57 | 1962 | 203.92 |
| 58 | 1961 | 198.56 |
| 59 | 1960 | 204.65 |
