| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 897 | 21 |
| 2015 | 897.4 | 23 |
| 2014 | 892.1 | 23 |
| 2013 | 881.4 | 23 |
| 2012 | 882.3 | 23 |
| 2011 | 875.6 | 23 |
| 2010 | 881.2 | 23 |
| 2009 | 867.3 | 23 |
| 2008 | 841.8 | 23 |
| 2007 | 815.3 | 23 |
| 2006 | 805.6 | 22 |
| 2005 | 785.6 | 22 |
| 2004 | 776.3 | 22 |
| 2003 | 764.6 | 22 |
| 2002 | 762.8 | 21 |
| 2001 | 746.8 | 21 |
| 2000 | 732.9 | 20 |
| 1999 | 712 | 19 |
| 1998 | 689.5 | 19 |
| 1997 | 668.8 | 19 |
| 1996 | 665.4 | 19 |
| 1995 | 645.7 | 19 |
| 1994 | 632.1 | 19 |
| 1993 | 619.4 | 19 |
| 1992 | 594.1 | 19 |
| 1991 | 590.2 | 18 |
| 1990 | 580.6 | 19 |
| 1989 | 589.7 | 15 |
| 1988 | 595 | 15 |
| 1987 | 595.5 | 15 |
| 1986 | 591.8 | 15 |