| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 12169.7 | 11 |
| 2015 | 12557.3 | 13 |
| 2014 | 19314.4 | 10 |
| 2013 | 21053.5 | 8 |
| 2012 | 20230 | 9 |
| 2011 | 18665.5 | 10 |
| 2010 | 14017.7 | 12 |
| 2009 | 11316.7 | 12 |
| 2008 | 15074.4 | 11 |
| 2007 | 11876.4 | 12 |
| 2006 | 8639.4 | 14 |
| 2005 | 6594 | 15 |
| 2004 | 5185.9 | 16 |
| 2003 | 3814.1 | 16 |
| 2002 | 3078.7 | 16 |
| 2001 | 2677.4 | 16 |
| 2000 | 2077 | 21 |
| 1999 | 1625.1 | 24 |
| 1998 | 2528.8 | 19 |
| 1997 | 3960.1 | 15 |
| 1996 | 3751.8 | 16 |
| 1995 | 3821 | 13 |
| 1994 | 3770.5 | 13 |
| 1993 | 4015.4 | 12 |
| 1992 | 3955.4 | 10 |
| 1991 | 5164.8 | 10 |
| 1990 | 5156.9 | 9 |
| 1989 | 5019.9 | 8 |