| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 1359 | 144 |
| 2015 | 1210 | 155 |
| 2014 | 1085 | 165 |
| 2013 | 952 | 173 |
| 2012 | 856 | 173 |
| 2011 | 836 | 175 |
| 2010 | 758 | 175 |
| 2009 | 681 | 177 |
| 2008 | 616 | 181 |
| 2007 | 541 | 179 |
| 2006 | 494 | 180 |
| 2005 | 484 | 174 |
| 2004 | 461 | 171 |
| 2003 | 433 | 170 |
| 2002 | 401 | 170 |
| 2001 | 403 | 166 |
| 2000 | 406 | 166 |
| 1999 | 397 | 167 |
| 1998 | 395 | 166 |
| 1997 | 390 | 166 |
| 1996 | 383 | 166 |
| 1995 | 320 | 169 |
| 1994 | 291 | 155 |
| 1993 | 292 | 159 |
| 1992 | 285 | 162 |
| 1991 | 285 | 162 |
| 1990 | 298 | 163 |
| 1989 | 278 | 147 |
| 1988 | 263 | 151 |
| 1987 | 247 | 150 |
| 1986 | 227 | 150 |