| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 22965.3 | 5 |
| 2015 | 21605.7 | 7 |
| 2014 | 20963 | 8 |
| 2013 | 19121 | 10 |
| 2012 | 19505.4 | 10 |
| 2011 | 19423.3 | 9 |
| 2010 | 17313 | 9 |
| 2009 | 13973.6 | 10 |
| 2008 | 12490.1 | 12 |
| 2007 | 12508.8 | 11 |
| 2006 | 9503.5 | 13 |
| 2005 | 8318.5 | 13 |
| 2004 | 7124 | 12 |
| 2003 | 6038.7 | 12 |
| 2002 | 5131.5 | 12 |
| 2001 | 4832.5 | 13 |
| 2000 | 4664.2 | 13 |
| 1999 | 4614.8 | 12 |
| 1998 | 4227.5 | 12 |
| 1997 | 4154.8 | 14 |
| 1996 | 3922.3 | 14 |
| 1995 | 3597.4 | 15 |
| 1994 | 3239.2 | 16 |
| 1993 | 2755.4 | 16 |
| 1992 | 2865.3 | 16 |
| 1991 | 2665.1 | 16 |
| 1990 | 3211.9 | 12 |
| 1989 | 2954.6 | 13 |
| 1988 | 2968.5 | 11 |
| 1987 | 2791.5 | 10 |
| 1986 | 2502.1 | 10 |