| 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 | 152.87 |
| 2011 | 156.19 |
| 2010 | 155.54 |
| 2009 | 159.79 |
| 2008 | 151.42 |
| 2007 | 142.16 |
| 2006 | 133.33 |
| 2005 | 124.69 |
| 2004 | 121.11 |
| 2003 | 120.54 |
| 2002 | 118.92 |
| 2001 | 114.87 |
| 2000 | 127.90 |
| 1999 | 110.40 |
| 1998 | 92.89 |
| 1997 | 86.63 |
| 1996 | 84.75 |
| 1995 | 79.79 |
| 1994 | 77.22 |
| 1993 | 74.40 |
| 1992 | 71.13 |
| 1991 | 67.60 |
| 1990 | 63.01 |
| 1989 | 66.21 |
| 1988 | 73.76 |
| 1987 | 78.31 |
| 1986 | 82.56 |
| 1985 | 90.05 |
| 1984 | 96.58 |
| 1983 | 94.32 |
| 1982 | 92.08 |
| 1981 | 86.49 |
| 1980 | 77.25 |
| 1979 | 86.05 |
| 1978 | 76.05 |
| 1977 | 78.70 |
| 1976 | 79.34 |
| 1975 | 87.84 |
| 1974 | 68.19 |
| 1973 | 67.24 |
| 1972 | 62.46 |
| 1971 | 57.01 |
| 1970 | 52.89 |
| 1969 | 52.19 |
| 1968 | 55.92 |
| 1967 | 54.81 |
| 1966 | 56.37 |
| 1965 | 56.61 |
| 1964 | 55.61 |
| 1963 | 51.43 |
| 1962 | 48.00 |
| 1961 | 48.83 |
| 1960 | 47.65 |
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