| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2015 | 871.33 | 65 |
| 2014 | 806.56 | 66 |
| 2013 | 771.48 | 67 |
| 2012 | 731.41 | 67 |
| 2011 | 689.9 | 66 |
| 2010 | 643.28 | 68 |
| 2009 | 620.8 | 68 |
| 2008 | 608.06 | 69 |
| 2007 | 586.04 | 67 |
| 2006 | 527.43 | 65 |
| 2005 | 426.44 | 66 |
| 2004 | 382.03 | 63 |
| 2003 | 359.01 | 61 |
| 2002 | 335.91 | 61 |
| 2001 | 316.82 | 61 |
| 2000 | 305.65 | 61 |
| 1999 | 283.65 | 62 |
| 1998 | 257.36 | 63 |
| 1997 | 253.66 | 63 |
| 1996 | 250.17 | 62 |
| 1995 | 304.3 | 57 |
| 1994 | 284.48 | 58 |
| 1993 | 223.67 | 60 |
| 1992 | 220.86 | 59 |
| 1991 | 243.17 | 59 |
| 1990 | 286.45 | 58 |
| 1989 | 270.23 | 53 |
| 1988 | 274.59 | 48 |
| 1987 | 252.14 | 50 |
| 1986 | 242.27 | 47 |