| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 584 | 19 |
| 2015 | 635 | 20 |
| 2014 | 730 | 20 |
| 2013 | 704 | 20 |
| 2012 | 660 | 19 |
| 2011 | 665 | 19 |
| 2010 | 612 | 19 |
| 2009 | 562 | 19 |
| 2008 | 728 | 17 |
| 2007 | 616 | 19 |
| 2006 | 523 | 18 |
| 2005 | 434 | 19 |
| 2004 | 363 | 17 |
| 2003 | 317 | 15 |
| 2002 | 267 | 16 |
| 2001 | 251 | 15 |
| 2000 | 237 | 15 |
| 1999 | 200 | 15 |
| 1998 | 152 | 19 |
| 1997 | 140 | 23 |
| 1996 | 163 | 17 |
| 1995 | 152 | 14 |
| 1994 | 136 | 15 |
| 1993 | 125 | 13 |
| 1992 | 140 | 12 |
| 1991 | 142 | 10 |
| 1990 | 127 | 11 |
| 1989 | 94 | 13 |
| 1988 | 95 | 11 |
| 1987 | 77 | 13 |
| 1986 | 63 | 12 |