| 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 | 25.42 |
| 2011 | 22.59 |
| 2010 | 21.88 |
| 2009 | 20.60 |
| 2008 | 19.08 |
| 2007 | 17.46 |
| 2006 | 15.64 |
| 2005 | 14.74 |
| 2004 | 13.81 |
| 2003 | 12.82 |
| 2002 | 13.08 |
| 2001 | 12.50 |
| 2000 | 12.86 |
| 1999 | 12.31 |
| 1998 | 12.39 |
| 1997 | 12.27 |
| 1996 | 12.81 |
| 1995 | 12.52 |
| 1994 | 12.69 |
| 1993 | 13.07 |
| 1992 | 15.35 |
| 1991 | 15.33 |
| 1990 | 14.94 |
| 1989 | 14.43 |
| 1988 | 14.63 |
| 1987 | 14.80 |
| 1986 | 13.02 |
| 1985 | 12.55 |
| 1984 | 12.53 |
| 1983 | 12.47 |
| 1982 | 12.23 |
| 1981 | 11.37 |
| 1980 | 10.53 |
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