| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 709 | 17 |
| 2015 | 651 | 20 |
| 2014 | 696 | 20 |
| 2013 | 631 | 23 |
| 2012 | 643 | 20 |
| 2011 | 714 | 18 |
| 2010 | 683 | 18 |
| 2009 | 714 | 14 |
| 2008 | 881 | 14 |
| 2007 | 804 | 12 |
| 2006 | 693 | 12 |
| 2005 | 613 | 11 |
| 2004 | 555 | 10 |
| 2003 | 459 | 10 |
| 2002 | 378 | 11 |
| 2001 | 349 | 11 |
| 2000 | 330 | 12 |
| 1999 | 321 | 10 |
| 1998 | 286 | 10 |
| 1997 | 252 | 11 |
| 1996 | 251 | 10 |
| 1995 | 224 | 10 |
| 1994 | 179 | 9 |
| 1993 | 176 | 8 |
| 1992 | 198 | 8 |
| 1991 | 164 | 9 |
| 1990 | 152 | 9 |
| 1989 | 128 | 10 |
| 1988 | 111 | 9 |
| 1987 | 87 | 11 |
| 1986 | 62 | 12 |