| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 1445 | 28 |
| 2015 | 1504 | 29 |
| 2014 | 1763 | 27 |
| 2013 | 1826 | 26 |
| 2012 | 1900 | 25 |
| 2011 | 2035 | 25 |
| 2010 | 1578 | 27 |
| 2009 | 1196 | 28 |
| 2008 | 1396 | 30 |
| 2007 | 1180 | 31 |
| 2006 | 1035 | 30 |
| 2005 | 870 | 30 |
| 2004 | 708 | 31 |
| 2003 | 641 | 29 |
| 2002 | 592 | 27 |
| 2001 | 574 | 27 |
| 2000 | 654 | 24 |
| 1999 | 512 | 24 |
| 1998 | 504 | 25 |
| 1997 | 563 | 24 |
| 1996 | 498 | 25 |
| 1995 | 454 | 26 |
| 1994 | 401 | 26 |
| 1993 | 368 | 25 |
| 1992 | 340 | 25 |
| 1991 | 291 | 25 |
| 1990 | 257 | 26 |
| 1989 | 222 | 27 |
| 1988 | 195 | 27 |
| 1987 | 171 | 27 |
| 1986 | 161 | 26 |