| 年份 | 单位:% |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2025(E) | 购买后可见 » |
| 2024(E) | 购买后可见 » |
| 2023(E) | 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 | 购买后可见 » |
| 2012 | 21.64 |
| 2011 | 20.51 |
| 2010 | 21.18 |
| 2009 | 21.58 |
| 2008 | 20.94 |
| 2007 | 20.17 |
| 2006 | 21.19 |
| 2005 | 20.71 |
| 2004 | 20.81 |
| 2003 | 20.86 |
| 2002 | 20.52 |
| 2001 | 19.01 |
| 2000 | 17.50 |
| 1999 | 15.99 |
| 1998 | 14.38 |
| 1997 | 13.16 |
| 1996 | 11.87 |
| 1995 | 10.96 |
| 1994 | 8.51 |
| 1993 | 5.71 |
| 1992 | 4.25 |
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