| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 10651.5 | 13 |
| 2015 | 11736 | 14 |
| 2014 | 13124 | 15 |
| 2013 | 12731 | 14 |
| 2012 | 11998.7 | 14 |
| 2011 | 11858 | 14 |
| 2010 | 10637.8 | 14 |
| 2009 | 9081.4 | 14 |
| 2008 | 11263.3 | 13 |
| 2007 | 10600 | 14 |
| 2006 | 9773.8 | 12 |
| 2005 | 8788.3 | 10 |
| 2004 | 7838.2 | 10 |
| 2003 | 7235.8 | 10 |
| 2002 | 7522.8 | 8 |
| 2001 | 7336.9 | 8 |
| 2000 | 6876 | 9 |
| 1999 | 5812.3 | 11 |
| 1998 | 5034.1 | 11 |
| 1997 | 4750.7 | 12 |
| 1996 | 3865.4 | 15 |
| 1995 | 3292.3 | 16 |
| 1994 | 5411.6 | 10 |
| 1993 | 5124.5 | 9 |
| 1992 | 3819.1 | 12 |
| 1991 | 3236 | 14 |
| 1990 | 2656.1 | 16 |
| 1989 | 2231.2 | 16 |
| 1988 | 1806 | 17 |
| 1987 | 1316.9 | 19 |
| 1986 | 1243.8 | 17 |