| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 11962.3 | 12 |
| 2015 | 11637.4 | 15 |
| 2014 | 13425.9 | 13 |
| 2013 | 13174.4 | 13 |
| 2012 | 13163.2 | 13 |
| 2011 | 14916.8 | 12 |
| 2010 | 14502.7 | 11 |
| 2009 | 15163.2 | 9 |
| 2008 | 17187.8 | 8 |
| 2007 | 15679.7 | 8 |
| 2006 | 13393.5 | 8 |
| 2005 | 12151.3 | 8 |
| 2004 | 11107.8 | 8 |
| 2003 | 9269.6 | 8 |
| 2002 | 7194.5 | 10 |
| 2001 | 6406.8 | 10 |
| 2000 | 6133 | 11 |
| 1999 | 6455 | 9 |
| 1998 | 6201.1 | 9 |
| 1997 | 5874.3 | 10 |
| 1996 | 6415.9 | 9 |
| 1995 | 6188.6 | 9 |
| 1994 | 5337.7 | 11 |
| 1993 | 5310.1 | 8 |
| 1992 | 6511.1 | 7 |
| 1991 | 5976.9 | 9 |
| 1990 | 5567.3 | 8 |
| 1989 | 4304 | 9 |
| 1988 | 3825.8 | 8 |
| 1987 | 3202.5 | 8 |
| 1986 | 2477 | 11 |