| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 2727.1 | 10 |
| 2015 | 2258.3 | 13 |
| 2014 | 2185.4 | 13 |
| 2013 | 1993.9 | 14 |
| 2012 | 1982.6 | 14 |
| 2011 | 1970.6 | 14 |
| 2010 | 1844.1 | 14 |
| 2009 | 1743.5 | 14 |
| 2008 | 1531 | 14 |
| 2007 | 1387.1 | 14 |
| 2006 | 1265.9 | 15 |
| 2005 | 1219.9 | 14 |
| 2004 | 1120.4 | 16 |
| 2003 | 1077.5 | 16 |
| 2002 | 1048.4 | 16 |
| 2001 | 1050.4 | 15 |
| 2000 | 1026.2 | 16 |
| 1999 | 1012.3 | 16 |
| 1998 | 923.3 | 17 |
| 1997 | 822.9 | 18 |
| 1996 | 739.7 | 18 |
| 1995 | 706.9 | 18 |
| 1994 | 655.7 | 18 |
| 1993 | 646.8 | 18 |
| 1992 | 610.5 | 18 |
| 1991 | 590.2 | 19 |
| 1990 | 591.1 | 18 |
| 1989 | 571.7 | 16 |
| 1988 | 542.7 | 16 |
| 1987 | 514.5 | 16 |
| 1986 | 475.6 | 17 |