| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
220 |
64 |
| 2015 |
210 |
77 |
| 2014 |
240 |
76 |
| 2013 |
236 |
78 |
| 2012 |
218 |
79 |
| 2011 |
229 |
75 |
| 2010 |
189 |
76 |
| 2009 |
182 |
73 |
| 2008 |
267 |
69 |
| 2007 |
212 |
69 |
| 2006 |
155 |
72 |
| 2005 |
124 |
73 |
| 2004 |
126 |
67 |
| 2003 |
84 |
72 |
| 2002 |
62 |
80 |
| 2001 |
46 |
87 |
| 2000 |
9 |
136 |
| 1999 |
34 |
91 |
| 1998 |
56 |
75 |
| 1997 |
72 |
68 |
| 1996 |
57 |
71 |
| 1995 |
25 |
94 |