| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 1057 | 23 |
| 2015 | 1079 | 28 |
| 2014 | 1257 | 30 |
| 2013 | 1202 | 34 |
| 2012 | 1179 | 34 |
| 2011 | 1109 | 35 |
| 2010 | 964 | 33 |
| 2009 | 778 | 34 |
| 2008 | 991 | 31 |
| 2007 | 817 | 30 |
| 2006 | 750 | 30 |
| 2005 | 659 | 31 |
| 2004 | 605 | 30 |
| 2003 | 513 | 30 |
| 2002 | 455 | 29 |
| 2001 | 429 | 31 |
| 2000 | 453 | 30 |
| 1999 | 368 | 33 |
| 1998 | 317 | 33 |
| 1997 | 446 | 28 |
| 1996 | 439 | 28 |
| 1995 | 367 | 31 |
| 1994 | 298 | 27 |
| 1993 | 268 | 28 |
| 1992 | 243 | 30 |
| 1991 | 207 | 31 |
| 1990 | 186 | 32 |
| 1989 | 155 | 28 |
| 1988 | 135 | 29 |
| 1987 | 124 | 29 |
| 1986 | 109 | 27 |