| 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 | 18.29 |
| 2016 | 17.79 |
| 2015 | 17.29 |
| 2014 | 18.29 |
| 2013 | 15.36 |
| 2012 | 14.86 |
| 2011 | 15.43 |
| 2010 | 15.93 |
| 2009 | 15.17 |
| 2008 | 12.42 |
| 2007 | 14.83 |
| 2006 | 17.22 |
| 2005 | 17.85 |
| 2004 | 17.32 |
| 2003 | 16.70 |
| 2002 | 16.23 |
| 2001 | 15.88 |
| 2000 | 15.06 |
| 1999 | 19.16 |
| 1998 | 20.09 |
| 1997 | 17.95 |
| 1996 | 27.09 |
| 1995 | 20.87 |
| 1994 | 22.52 |
| 1993 | 36.57 |
| 1992 | 33.54 |
| 1991 | 29.28 |
| 1990 | 30.90 |
| 1989 | 48.84 |
| 1988 | 52.59 |
| 1987 | 50.02 |
| 1986 | 45.49 |
| 1985 | 46.38 |
| 1984 | 56.01 |
| 1983 | 60.99 |
| 1982 | 58.78 |
| 1981 | 45.90 |
| 1980 | 42.55 |
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