| 年份 | 单位:% |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2030(E) | 购买后可见 » |
| 2029(E) | 购买后可见 » |
| 2028(E) | 购买后可见 » |
| 2027 | 购买后可见 » |
| 2026 | 购买后可见 » |
| 2025 | 购买后可见 » |
| 2024 | 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 | 85.15 |
| 2016 | 85.83 |
| 2015 | 86.02 |
| 2014 | 85.46 |
| 2013 | 83.55 |
| 2012 | 82.70 |
| 2011 | 79.53 |
| 2010 | 73.99 |
| 2009 | 62.84 |
| 2008 | 49.03 |
| 2007 | 41.38 |
| 2006 | 40.35 |
| 2005 | 42.13 |
| 2004 | 40.31 |
| 2003 | 38.55 |
| 2002 | 37.24 |
| 2001 | 37.70 |
| 2000 | 40.87 |
| 1999 | 43.66 |
| 1998 | 46.28 |
| 1997 | 49.26 |
| 1996 | 48.22 |
| 1995 | 46.31 |
| 1994 | 43.03 |
| 1993 | 37.95 |
| 1992 | 32.80 |
| 1991 | 31.30 |
| 1990 | 32.58 |
| 1989 | 37.02 |
| 1988 | 41.87 |
| 1987 | 44.28 |
| 1986 | 46.07 |
| 1985 | 46.02 |
| 1984 | 47.03 |
| 1983 | 46.51 |
| 1982 | 47.56 |
| 1981 | 49.25 |
| 1980 | 46.10 |
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