| 年份 | 单位:十亿美元 |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2024(E) | 购买后可见 » |
| 2023(E) | 购买后可见 » |
| 2022(E) | 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 | 购买后可见 » |
| 2011 | 35.06 |
| 2010 | 34.45 |
| 2009 | 38.13 |
| 2008 | 42.61 |
| 2007 | 52.43 |
| 2006 | 51.06 |
| 2005 | 49.04 |
| 2004 | 44.28 |
| 2003 | 42.84 |
| 2002 | 37.30 |
| 2001 | 42.88 |
| 2000 | 44.67 |
| 1999 | 33.51 |
| 1998 | 28.73 |
| 1997 | 26.03 |
| 1996 | 22.97 |
| 1995 | 12.53 |
| 1994 | 11.42 |
| 1993 | 6.72 |
| 1992 | 3.21 |
| 1991 | 1.19 |
| 1990 | 0.89 |
| 1989 | 0.26 |
| 1988 | 0.46 |
| 1987 | 0.66 |
| 1986 | 0.72 |
| 1985 | 0.34 |
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