| 时间 |
值 （美元/人） |
世界排名 |
| 2016 |
85 |
69 |
| 2015 |
90 |
73 |
| 2014 |
112 |
73 |
| 2013 |
117 |
72 |
| 2012 |
129 |
61 |
| 2011 |
121 |
64 |
| 2010 |
116 |
67 |
| 2009 |
152 |
53 |
| 2008 |
271 |
43 |
| 2007 |
228 |
42 |
| 2006 |
98 |
61 |
| 2005 |
51 |
76 |
| 2004 |
17 |
103 |
| 2003 |
10 |
113 |
| 2002 |
8 |
114 |
| 2001 |
5 |
122 |
| 2000 |
4 |
124 |
| 1999 |
6 |
115 |
| 1998 |
9 |
106 |
| 1997 |
10 |
108 |
| 1996 |
15 |
93 |