| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3187.44 | 33 |
| 2015 | 2994.16 | 36 |
| 2014 | 3087.69 | 36 |
| 2013 | 2933.15 | 38 |
| 2012 | 2576.42 | 41 |
| 2011 | 2613.75 | 40 |
| 2010 | 2337.55 | 41 |
| 2009 | 2080.69 | 40 |
| 2008 | 2167.6 | 42 |
| 2007 | 1795.64 | 43 |
| 2006 | 1545.11 | 43 |
| 2005 | 1428.38 | 41 |
| 2004 | 1354.19 | 38 |
| 2003 | 1267.5 | 37 |
| 2002 | 1210.93 | 35 |
| 2001 | 1307.52 | 31 |
| 2000 | 1323.97 | 31 |
| 1999 | 1172.12 | 35 |
| 1998 | 1158.38 | 33 |
| 1997 | 1145.44 | 35 |
| 1996 | 1097.74 | 36 |
| 1995 | 999.69 | 35 |
| 1994 | 746.7 | 36 |
| 1993 | 659.26 | 36 |
| 1992 | 657.71 | 36 |
| 1991 | 591.7 | 36 |
| 1990 | 524.9 | 39 |
| 1989 | 446 | 38 |
| 1988 | 438.93 | 39 |
| 1987 | 354.77 | 44 |
| 1986 | 297.02 | 43 |