| 年份 | 单位:% |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2027(E) | 购买后可见 » |
| 2026(E) | 购买后可见 » |
| 2025(E) | 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 | 购买后可见 » |
| 2016 | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 13.01 |
| 2013 | 7.70 |
| 2012 | 7.70 |
| 2011 | 9.35 |
| 2010 | 10.32 |
| 2009 | 7.83 |
| 2008 | 12.32 |
| 2007 | 13.73 |
| 2006 | 13.46 |
| 2005 | 12.03 |
| 2004 | 9.85 |
| 2003 | 5.98 |
| 2002 | 4.79 |
| 2001 | 2.36 |
| 2000 | 2.92 |
| 1999 | 3.36 |
| 1998 | 4.17 |
| 1997 | 3.40 |
| 1996 | 2.62 |
| 1995 | 4.36 |
| 1994 | 4.48 |
| 1993 | 2.98 |
| 1992 | 2.78 |
| 1991 | 3.15 |
| 1990 | 2.48 |
| 1989 | 3.79 |
| 1988 | 1.82 |
| 1987 | 1.60 |
| 1986 | 2.10 |
| 1985 | 0.30 |
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