| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 12313.1 | 10 |
| 2015 | 13648.4 | 11 |
| 2014 | 14635.2 | 12 |
| 2013 | 15849.4 | 12 |
| 2012 | 15398.1 | 12 |
| 2011 | 13761.1 | 13 |
| 2010 | 11539.8 | 13 |
| 2009 | 9262.2 | 13 |
| 2008 | 10827.6 | 14 |
| 2007 | 8675 | 15 |
| 2006 | 7610.8 | 15 |
| 2005 | 7125.9 | 14 |
| 2004 | 6298.8 | 14 |
| 2003 | 4767.6 | 15 |
| 2002 | 3945.4 | 15 |
| 2001 | 3782.3 | 15 |
| 2000 | 4238.8 | 14 |
| 1999 | 3980.4 | 15 |
| 1998 | 4029.1 | 14 |
| 1997 | 4347.4 | 13 |
| 1996 | 4035.8 | 13 |
| 1995 | 3756.3 | 14 |
| 1994 | 3249.4 | 15 |
| 1993 | 3135.5 | 15 |
| 1992 | 3250.3 | 15 |
| 1991 | 3267.1 | 13 |
| 1990 | 3176.1 | 13 |
| 1989 | 3055.7 | 12 |
| 1988 | 2377.8 | 13 |
| 1987 | 1924.7 | 13 |
| 1986 | 1879.4 | 14 |