| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
143 |
81 |
| 2015 |
145 |
84 |
| 2014 |
176 |
81 |
| 2013 |
179 |
80 |
| 2012 |
172 |
82 |
| 2011 |
163 |
81 |
| 2010 |
117 |
85 |
| 2009 |
98 |
85 |
| 2008 |
161 |
76 |
| 2007 |
153 |
72 |
| 2006 |
115 |
76 |
| 2005 |
87 |
81 |
| 2004 |
71 |
80 |
| 2003 |
52 |
80 |
| 2002 |
40 |
85 |
| 2001 |
35 |
86 |
| 2000 |
32 |
90 |
| 1999 |
30 |
90 |
| 1998 |
32 |
88 |
| 1997 |
27 |
92 |
| 1996 |
23 |
92 |
| 1995 |
18 |
97 |
| 1994 |
12 |
107 |