| 年份 | 单位：% |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2025（E） | 购买后可见 » |
| 2024（E） | 购买后可见 » |
| 2023（E） | 购买后可见 » |
| 2022 | 购买后可见 » |
| 2021 | 购买后可见 » |
| 2020 | 购买后可见 » |
| 2019 | 购买后可见 » |
| 2018 | 购买后可见 » |
| 2017 | 购买后可见 » |
| 2016 | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 购买后可见 » |
| 2013 | 购买后可见 » |
| 2012 | 118.35 |
| 2011 | 119.11 |
| 2010 | 112.38 |
| 2009 | 87.87 |
| 2008 | 89.15 |
| 2007 | 84.40 |
| 2006 | 76.14 |
| 2005 | 71.87 |
| 2004 | 62.17 |
| 2003 | 57.03 |
| 2002 | 53.23 |
| 2001 | 49.98 |
| 2000 | 87.02 |
| 1999 | 78.95 |
| 1998 | 71.49 |
| 1997 | 74.34 |
| 1996 | 77.64 |
| 1995 | 82.13 |
| 1994 | 85.45 |
| 1993 | 93.46 |
| 1992 | 80.59 |
| 1991 | 77.79 |
| 1990 | 85.25 |
| 1989 | 88.30 |
| 1988 | 85.00 |
| 1987 | 86.78 |
| 1986 | 71.40 |
| 1985 | 71.53 |
| 1984 | 68.90 |
| 1983 | 69.47 |
| 1982 | 69.06 |
| 1981 | 66.35 |
| 1980 | 59.36 |
| 1979 | 58.01 |
| 1978 | 59.08 |
| 1977 | 34.53 |
| 1976 | 31.32 |
| 1975 | 30.26 |
| 1974 | 28.69 |
| 1973 | 26.61 |
| 1972 | 27.97 |
| 1971 | 27.21 |
| 1970 | 24.78 |
| 1969 | 24.75 |
| 1968 | 23.26 |
| 1967 | 21.91 |
| 1966 | 20.94 |
| 1965 | 20.82 |
| 1964 | 22.55 |
| 1963 | 21.46 |
| 1962 | 19.65 |
| 1961 | 18.04 |
| 1960 | 18.23 |
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