| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3659.6 | 24 |
| 2015 | 3656 | 27 |
| 2014 | 4539.7 | 26 |
| 2013 | 4668.8 | 27 |
| 2012 | 4438.2 | 26 |
| 2011 | 4341.8 | 26 |
| 2010 | 3804 | 26 |
| 2009 | 3427.2 | 27 |
| 2008 | 3836.2 | 25 |
| 2007 | 3471.1 | 25 |
| 2006 | 2869.1 | 25 |
| 2005 | 2593.3 | 25 |
| 2004 | 2295.1 | 26 |
| 2003 | 1996.7 | 26 |
| 2002 | 1697.3 | 24 |
| 2001 | 1450.5 | 29 |
| 2000 | 1425.2 | 29 |
| 1999 | 1506 | 27 |
| 1998 | 1514 | 27 |
| 1997 | 1483.6 | 29 |
| 1996 | 1491.9 | 29 |
| 1995 | 1428.5 | 29 |
| 1994 | 1195.7 | 30 |
| 1993 | 1130.2 | 29 |
| 1992 | 1222 | 28 |
| 1991 | 1124.5 | 29 |
| 1990 | 1123.1 | 27 |
| 1989 | 990.6 | 27 |
| 1988 | 1025 | 25 |
| 1987 | 963.1 | 24 |
| 1986 | 813.6 | 24 |