| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3717.1 | 22 |
| 2015 | 3618.6 | 28 |
| 2014 | 4239.1 | 27 |
| 2013 | 4171.9 | 28 |
| 2012 | 3968.8 | 28 |
| 2011 | 4182.3 | 27 |
| 2010 | 3772.4 | 27 |
| 2009 | 3857.3 | 25 |
| 2008 | 4097.2 | 23 |
| 2007 | 3704.2 | 23 |
| 2006 | 3228.3 | 23 |
| 2005 | 3049 | 22 |
| 2004 | 2911.7 | 21 |
| 2003 | 2537.6 | 21 |
| 2002 | 2051.8 | 22 |
| 2001 | 1935.1 | 22 |
| 2000 | 1937 | 22 |
| 1999 | 2156.4 | 21 |
| 1998 | 2180.8 | 22 |
| 1997 | 2139.7 | 22 |
| 1996 | 2404 | 21 |
| 1995 | 2432.6 | 21 |
| 1994 | 2063.9 | 21 |
| 1993 | 1905.1 | 21 |
| 1992 | 1971.3 | 21 |
| 1991 | 1748.3 | 21 |
| 1990 | 1661.7 | 21 |
| 1989 | 1334.2 | 20 |
| 1988 | 1335.4 | 19 |
| 1987 | 1238.9 | 20 |
| 1986 | 987.9 | 21 |