| 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 | 99.70 |
| 2011 | 99.60 |
| 2010 | 99.20 |
| 2009 | 98.50 |
| 2008 | 97.50 |
| 2007 | 95.80 |
| 2006 | 94.10 |
| 2005 | 93.20 |
| 2004 | 91.40 |
| 2003 | 89.90 |
| 2002 | 89.40 |
| 2001 | 87.00 |
| 2000 | 84.90 |
| 1999 | 83.30 |
| 1998 | 79.00 |
| 1997 | 76.40 |
| 1996 | 76.50 |
| 1995 | 70.70 |
| 1994 | 76.40 |
| 1993 | 68.30 |
| 1992 | 71.70 |
| 1991 | 72.80 |
| 1990 | 74.20 |
| 1985 | 73.60 |
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