| 时间 |
值 （美元/人） |
世界排名 |
| 2016 |
167 |
48 |
| 2015 |
179 |
48 |
| 2014 |
214 |
48 |
| 2013 |
225 |
47 |
| 2012 |
224 |
45 |
| 2011 |
258 |
39 |
| 2010 |
230 |
42 |
| 2009 |
255 |
40 |
| 2008 |
292 |
38 |
| 2007 |
221 |
44 |
| 2006 |
191 |
42 |
| 2005 |
180 |
41 |
| 2004 |
165 |
41 |
| 2003 |
160 |
39 |
| 2002 |
165 |
35 |
| 2001 |
142 |
36 |
| 2000 |
149 |
37 |
| 1999 |
227 |
33 |
| 1998 |
317 |
25 |
| 1997 |
393 |
22 |
| 1996 |
431 |
20 |
| 1995 |
441 |
17 |