| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 4068.4 | 26 |
| 2015 | 3992.35 | 27 |
| 2014 | 4065.22 | 30 |
| 2013 | 4205.29 | 30 |
| 2012 | 3975.6 | 30 |
| 2011 | 3708.19 | 31 |
| 2010 | 3411.05 | 32 |
| 2009 | 2817.1 | 33 |
| 2008 | 2913.83 | 33 |
| 2007 | 2629.43 | 33 |
| 2006 | 2217.58 | 34 |
| 2005 | 1893.18 | 35 |
| 2004 | 1728.95 | 34 |
| 2003 | 1522.81 | 35 |
| 2002 | 1343.01 | 31 |
| 2001 | 1202.97 | 37 |
| 2000 | 1263.92 | 33 |
| 1999 | 1266.69 | 34 |
| 1998 | 1136.76 | 34 |
| 1997 | 1501.8 | 31 |
| 1996 | 1830.35 | 25 |
| 1995 | 1692.79 | 26 |
| 1994 | 1466.83 | 25 |
| 1993 | 1288.9 | 28 |
| 1992 | 1114.53 | 31 |
| 1991 | 982.35 | 31 |
| 1990 | 853.43 | 33 |
| 1989 | 722.51 | 33 |
| 1988 | 616.67 | 33 |
| 1987 | 505.35 | 35 |
| 1986 | 430.97 | 34 |