| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 918 | 15 |
| 2015 | 967 | 16 |
| 2014 | 1110 | 15 |
| 2013 | 1025 | 16 |
| 2012 | 1023 | 15 |
| 2011 | 897 | 16 |
| 2010 | 822 | 15 |
| 2009 | 716 | 15 |
| 2008 | 901 | 13 |
| 2007 | 700 | 15 |
| 2006 | 557 | 16 |
| 2005 | 493 | 15 |
| 2004 | 441 | 13 |
| 2003 | 347 | 13 |
| 2002 | 301 | 14 |
| 2001 | 299 | 13 |
| 2000 | 319 | 12 |
| 1999 | 276 | 13 |
| 1998 | 268 | 12 |
| 1997 | 275 | 11 |
| 1996 | 243 | 12 |
| 1995 | 238 | 11 |
| 1994 | 175 | 11 |
| 1993 | 136 | 12 |
| 1992 | 116 | 15 |
| 1991 | 109 | 15 |
| 1990 | 103 | 15 |
| 1989 | 94 | 15 |
| 1988 | 89 | 13 |
| 1987 | 81 | 12 |
| 1986 | 60 | 13 |