| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 1958.6 | 42 |
| 2015 | 1945.8 | 45 |
| 2014 | 2418.3 | 42 |
| 2013 | 2466.1 | 43 |
| 2012 | 2566 | 42 |
| 2011 | 3072.9 | 34 |
| 2010 | 3251.8 | 31 |
| 2009 | 3622.7 | 26 |
| 2008 | 3991.5 | 24 |
| 2007 | 3582.6 | 24 |
| 2006 | 3020.2 | 24 |
| 2005 | 2682.9 | 24 |
| 2004 | 2609.2 | 23 |
| 2003 | 2243.4 | 22 |
| 2002 | 1694 | 25 |
| 2001 | 1505.8 | 27 |
| 2000 | 1444.2 | 28 |
| 1999 | 1551.8 | 26 |
| 1998 | 1584 | 26 |
| 1997 | 1529.3 | 27 |
| 1996 | 1588.8 | 28 |
| 1995 | 1481.8 | 28 |
| 1994 | 1250.8 | 28 |
| 1993 | 1185.3 | 28 |
| 1992 | 1267.6 | 26 |
| 1991 | 1158.6 | 28 |
| 1990 | 1082.4 | 29 |
| 1989 | 862.1 | 29 |
| 1988 | 815.9 | 29 |
| 1987 | 696.4 | 29 |
| 1986 | 604.7 | 30 |