| 年份 | 单位：% |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2026（E） | 购买后可见 » |
| 2025（E） | 购买后可见 » |
| 2024（E） | 购买后可见 » |
| 2023 | 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 | 104.37 |
| 2012 | 111.27 |
| 2011 | 115.69 |
| 2010 | 133.32 |
| 2009 | 169.25 |
| 2008 | 166.32 |
| 2007 | 158.10 |
| 2006 | 144.57 |
| 2005 | 124.64 |
| 2004 | 104.90 |
| 2003 | 85.71 |
| 2002 | 75.41 |
| 2001 | 71.78 |
| 2000 | 106.11 |
| 1999 | 103.20 |
| 1998 | 89.79 |
| 1997 | 85.89 |
| 1996 | 77.47 |
| 1995 | 75.53 |
| 1994 | 50.27 |
| 1993 | 47.28 |
| 1992 | 52.23 |
| 1991 | 48.60 |
| 1990 | 52.88 |
| 1989 | 51.01 |
| 1988 | 52.49 |
| 1987 | 53.28 |
| 1986 | 55.84 |
| 1985 | 56.35 |
| 1984 | 58.53 |
| 1983 | 56.91 |
| 1982 | 56.04 |
| 1981 | 36.18 |
| 1980 | 38.10 |
| 1979 | 39.09 |
| 1978 | 35.12 |
| 1977 | 31.99 |
| 1976 | 32.56 |
| 1975 | 35.39 |
| 1974 | 38.05 |
| 1973 | 35.22 |
| 1972 | 33.70 |
| 1971 | 30.98 |
| 1970 | 34.10 |
| 1969 | 38.07 |
| 1968 | 38.97 |
| 1967 | 34.99 |
| 1966 | 35.67 |
| 1965 | 35.36 |
| 1964 | 32.76 |
| 1963 | 31.10 |
| 1962 | 29.93 |
| 1961 | 28.91 |
| 1960 | 28.86 |
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