| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
110 |
77 |
| 2015 |
140 |
73 |
| 2014 |
175 |
73 |
| 2013 |
168 |
75 |
| 2012 |
165 |
74 |
| 2011 |
130 |
81 |
| 2010 |
65 |
99 |
| 2009 |
50 |
98 |
| 2008 |
119 |
79 |
| 2007 |
89 |
80 |
| 2006 |
72 |
83 |
| 2005 |
49 |
90 |
| 2004 |
39 |
89 |
| 2003 |
36 |
85 |
| 2002 |
29 |
87 |
| 2001 |
27 |
86 |
| 2000 |
25 |
91 |
| 1999 |
12 |
107 |
| 1998 |
6 |
124 |
| 1997 |
10 |
111 |
| 1996 |
17 |
99 |
| 1995 |
19 |
89 |
| 1994 |
21 |
80 |