| 年份 | 单位:% |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2026(E) | 购买后可见 » |
| 2025(E) | 购买后可见 » |
| 2024(E) | 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 | 购买后可见 » |
| 2013 | 73.90 |
| 2012 | 74.10 |
| 2011 | 74.40 |
| 2010 | 74.50 |
| 2009 | 73.00 |
| 2008 | 72.70 |
| 2007 | 72.50 |
| 2006 | 72.30 |
| 2005 | 72.00 |
| 2004 | 70.90 |
| 2003 | 70.40 |
| 2002 | 70.30 |
| 2001 | 70.40 |
| 2000 | 70.10 |
| 1999 | 67.70 |
| 1998 | 67.60 |
| 1997 | 67.50 |
| 1996 | 67.20 |
| 1995 | 67.20 |
| 1990 | 66.70 |
| 1987 | 65.90 |
| 1982 | 61.50 |
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