| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
121 |
72 |
| 2015 |
121 |
77 |
| 2014 |
146 |
78 |
| 2013 |
145 |
80 |
| 2012 |
141 |
78 |
| 2011 |
131 |
80 |
| 2010 |
95 |
84 |
| 2009 |
77 |
85 |
| 2008 |
101 |
85 |
| 2007 |
83 |
85 |
| 2006 |
62 |
88 |
| 2005 |
52 |
87 |
| 2004 |
40 |
87 |
| 2003 |
29 |
90 |
| 2002 |
23 |
94 |
| 2001 |
20 |
99 |
| 2000 |
19 |
99 |
| 1999 |
17 |
97 |
| 1998 |
18 |
93 |
| 1997 |
17 |
98 |
| 1996 |
14 |
102 |
| 1995 |
13 |
104 |
| 1994 |
10 |
106 |