| 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 | 18.19 |
| 2016 | 17.74 |
| 2015 | 17.65 |
| 2014 | 17.24 |
| 2013 | 16.05 |
| 2012 | 15.90 |
| 2011 | 15.79 |
| 2010 | 16.04 |
| 2009 | 14.77 |
| 2008 | 17.45 |
| 2007 | 18.34 |
| 2006 | 17.87 |
| 2005 | 17.14 |
| 2004 | 17.31 |
| 2003 | 17.03 |
| 2002 | 17.39 |
| 2001 | 17.72 |
| 2000 | 17.91 |
| 1999 | 18.33 |
| 1998 | 18.49 |
| 1997 | 17.39 |
| 1996 | 16.99 |
| 1995 | 17.17 |
| 1994 | 16.64 |
| 1993 | 15.93 |
| 1992 | 16.34 |
| 1991 | 17.11 |
| 1990 | 20.07 |
| 1989 | 21.99 |
| 1988 | 21.29 |
| 1987 | 18.99 |
| 1986 | 18.06 |
| 1985 | 18.25 |
| 1984 | 18.35 |
| 1983 | 17.42 |
| 1982 | 16.62 |
| 1981 | 15.98 |
| 1980 | 17.60 |
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