| 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 | 94.69 |
| 2012 | 94.76 |
| 2011 | 96.06 |
| 2010 | 95.72 |
| 2009 | 95.88 |
| 2008 | 96.00 |
| 2007 | 96.69 |
| 2006 | 97.36 |
| 2005 | 97.55 |
| 2004 | 97.56 |
| 2003 | 97.80 |
| 2002 | 97.88 |
| 2001 | 97.79 |
| 2000 | 98.04 |
| 1999 | 98.00 |
| 1998 | 97.63 |
| 1997 | 97.54 |
| 1996 | 97.49 |
| 1995 | 96.70 |
| 1994 | 96.53 |
| 1993 | 96.00 |
| 1992 | 95.13 |
| 1991 | 94.75 |
| 1990 | 93.08 |
| 1989 | 91.51 |
| 1988 | 89.11 |
| 1987 | 87.20 |
| 1986 | 85.25 |
| 1985 | 82.12 |
| 1984 | 79.63 |
| 1983 | 74.35 |
| 1982 | 67.65 |
| 1981 | 60.93 |
| 1980 | 51.09 |
| 1979 | 41.08 |
| 1978 | 35.48 |
| 1977 | 27.81 |
| 1976 | 22.14 |
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