| 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 | 99.20 |
| 2011 | 98.70 |
| 2010 | 97.80 |
| 2009 | 96.30 |
| 2008 | 94.50 |
| 2007 | 91.70 |
| 2006 | 88.40 |
| 2005 | 85.90 |
| 2004 | 82.80 |
| 2003 | 79.40 |
| 2002 | 78.70 |
| 2001 | 76.00 |
| 2000 | 72.90 |
| 1999 | 70.00 |
| 1998 | 66.20 |
| 1997 | 61.70 |
| 1996 | 60.70 |
| 1995 | 58.00 |
| 1994 | 65.60 |
| 1993 | 56.50 |
| 1992 | 52.70 |
| 1991 | 50.60 |
| 1990 | 50.60 |
| 1985 | 43.70 |
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