| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3049.05 | 35 |
| 2015 | 2927.74 | 39 |
| 2014 | 2845.85 | 40 |
| 2013 | 2718.36 | 42 |
| 2012 | 2500.92 | 43 |
| 2011 | 2241.43 | 47 |
| 2010 | 1995.91 | 47 |
| 2009 | 1683.35 | 47 |
| 2008 | 1741.95 | 48 |
| 2007 | 1493.6 | 48 |
| 2006 | 1222.11 | 48 |
| 2005 | 1030.72 | 50 |
| 2004 | 913.71 | 48 |
| 2003 | 839.08 | 45 |
| 2002 | 813.58 | 45 |
| 2001 | 762.62 | 44 |
| 2000 | 810.26 | 44 |
| 1999 | 829.95 | 43 |
| 1998 | 722.07 | 44 |
| 1997 | 823.44 | 43 |
| 1996 | 828.48 | 40 |
| 1995 | 741.2 | 41 |
| 1994 | 640.84 | 40 |
| 1993 | 543.68 | 43 |
| 1992 | 529.76 | 41 |
| 1991 | 454.18 | 44 |
| 1990 | 443.12 | 44 |
| 1989 | 425.75 | 40 |
| 1988 | 378.85 | 43 |
| 1987 | 331.96 | 47 |
| 1986 | 298.68 | 42 |