| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 13153.3 | 9 |
| 2015 | 12865.1 | 12 |
| 2014 | 13371.8 | 14 |
| 2013 | 12405.9 | 15 |
| 2012 | 11886.4 | 15 |
| 2011 | 11844.9 | 15 |
| 2010 | 10596.4 | 15 |
| 2009 | 8596.6 | 15 |
| 2008 | 10023.3 | 15 |
| 2007 | 11100.3 | 13 |
| 2006 | 10038.9 | 11 |
| 2005 | 8762.7 | 11 |
| 2004 | 7355.9 | 11 |
| 2003 | 6668.3 | 11 |
| 2002 | 5998.8 | 11 |
| 2001 | 5247.7 | 12 |
| 2000 | 5500 | 12 |
| 1999 | 4576.3 | 13 |
| 1998 | 3338.6 | 15 |
| 1997 | 5612.9 | 11 |
| 1996 | 6156.5 | 10 |
| 1995 | 5612.4 | 11 |
| 1994 | 4573.2 | 12 |
| 1993 | 3836.8 | 13 |
| 1992 | 3508.7 | 13 |
| 1991 | 3325.2 | 12 |
| 1990 | 2809.7 | 15 |
| 1989 | 2382.6 | 15 |
| 1988 | 1838.3 | 16 |
| 1987 | 1365.8 | 17 |
| 1986 | 1106.7 | 19 |