| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 607 | 19 |
| 2015 | 614 | 21 |
| 2014 | 688 | 21 |
| 2013 | 639 | 21 |
| 2012 | 583 | 21 |
| 2011 | 585 | 22 |
| 2010 | 506 | 23 |
| 2009 | 479 | 20 |
| 2008 | 581 | 19 |
| 2007 | 517 | 20 |
| 2006 | 423 | 20 |
| 2005 | 391 | 19 |
| 2004 | 354 | 16 |
| 2003 | 302 | 16 |
| 2002 | 236 | 17 |
| 2001 | 235 | 15 |
| 2000 | 241 | 15 |
| 1999 | 222 | 14 |
| 1998 | 205 | 13 |
| 1997 | 191 | 15 |
| 1996 | 184 | 16 |
| 1995 | 168 | 15 |
| 1994 | 144 | 14 |
| 1993 | 131 | 12 |
| 1992 | 188 | 9 |
| 1991 | 172 | 8 |
| 1990 | 169 | 8 |
| 1989 | 143 | 8 |
| 1988 | 126 | 8 |
| 1987 | 105 | 8 |
| 1986 | 84 | 10 |