| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 2836.6 | 40 |
| 2015 | 2710.5 | 42 |
| 2014 | 2443.61 | 44 |
| 2013 | 2312.19 | 48 |
| 2012 | 2243.84 | 46 |
| 2011 | 2135.87 | 48 |
| 2010 | 1774.07 | 48 |
| 2009 | 1681.53 | 48 |
| 2008 | 1700.78 | 50 |
| 2007 | 1523.86 | 47 |
| 2006 | 1372.64 | 46 |
| 2005 | 1095.02 | 48 |
| 2004 | 979.78 | 47 |
| 2003 | 832.45 | 47 |
| 2002 | 723.07 | 47 |
| 2001 | 723.1 | 45 |
| 2000 | 739.52 | 46 |
| 1999 | 629.74 | 47 |
| 1998 | 621.92 | 47 |
| 1997 | 624.33 | 47 |
| 1996 | 633.2 | 48 |
| 1995 | 606.36 | 46 |
| 1994 | 518.95 | 48 |
| 1993 | 514.78 | 45 |
| 1992 | 486.35 | 44 |
| 1991 | 454.52 | 43 |
| 1990 | 400.1 | 49 |
| 1989 | 401.71 | 44 |
| 1988 | 384.73 | 42 |
| 1987 | 333.52 | 46 |
| 1986 | 318.99 | 40 |