| 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 | 14.74 |
| 2011 | 13.28 |
| 2010 | 11.98 |
| 2009 | 11.27 |
| 2008 | 10.54 |
| 2007 | 9.55 |
| 2006 | 8.60 |
| 2005 | 8.12 |
| 2004 | 7.44 |
| 2003 | 6.69 |
| 2002 | 6.69 |
| 2001 | 5.18 |
| 2000 | 5.27 |
| 1999 | 4.93 |
| 1998 | 4.88 |
| 1997 | 4.76 |
| 1996 | 4.78 |
| 1995 | 4.78 |
| 1994 | 4.81 |
| 1993 | 4.95 |
| 1992 | 5.50 |
| 1991 | 5.54 |
| 1990 | 5.47 |
| 1989 | 5.25 |
| 1988 | 5.48 |
| 1987 | 5.61 |
| 1986 | 5.36 |
| 1985 | 5.08 |
| 1984 | 5.32 |
| 1983 | 5.32 |
| 1982 | 5.26 |
| 1981 | 4.96 |
| 1980 | 4.91 |
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