| 年份 | 单位:亿次 |
| 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 | 20.49 |
| 2011 | 18.34 |
| 2010 | 18.06 |
| 2009 | 16.88 |
| 2008 | 15.68 |
| 2007 | 14.07 |
| 2006 | 12.74 |
| 2005 | 11.95 |
| 2004 | 11.05 |
| 2003 | 9.99 |
| 2002 | 9.89 |
| 2001 | 8.74 |
| 2000 | 8.76 |
| 1999 | 8.19 |
| 1998 | 8.17 |
| 1997 | 7.95 |
| 1996 | 8.08 |
| 1995 | 7.76 |
| 1994 | 7.75 |
| 1993 | 7.98 |
| 1992 | 8.84 |
| 1991 | 8.88 |
| 1990 | 8.58 |
| 1989 | 8.16 |
| 1988 | 8.38 |
| 1987 | 8.50 |
| 1986 | 7.76 |
| 1985 | 7.21 |
| 1984 | 7.37 |
| 1983 | 7.26 |
| 1982 | 7.12 |
| 1981 | 6.57 |
| 1980 | 6.33 |
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