| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
20 |
125 |
| 2015 |
20 |
129 |
| 2014 |
23 |
131 |
| 2013 |
24 |
127 |
| 2012 |
22 |
133 |
| 2011 |
22 |
131 |
| 2010 |
15 |
136 |
| 2009 |
13 |
134 |
| 2008 |
16 |
135 |
| 2007 |
13 |
135 |
| 2006 |
11 |
135 |
| 2005 |
11 |
130 |
| 2004 |
10 |
128 |
| 2003 |
8 |
129 |
| 2002 |
6 |
129 |
| 2001 |
6 |
132 |
| 2000 |
5 |
139 |
| 1999 |
5 |
138 |
| 1998 |
6 |
119 |
| 1997 |
9 |
115 |
| 1996 |
8 |
115 |
| 1995 |
7 |
119 |
| 1994 |
6 |
118 |