| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 11409.1 | 5 |
| 2015 | 11294.3 | 4 |
| 2014 | 10826.1 | 5 |
| 2013 | 9396.5 | 5 |
| 2012 | 9468.4 | 5 |
| 2011 | 10053.9 | 5 |
| 2010 | 10373.4 | 4 |
| 2009 | 13293.2 | 3 |
| 2008 | 8985.9 | 4 |
| 2007 | 10029 | 3 |
| 2006 | 8326 | 3 |
| 2005 | 7763.9 | 3 |
| 2004 | 6931.6 | 7 |
| 2003 | 5780.8 | 6 |
| 2002 | 5714.6 | 6 |
| 2001 | 5066 | 6 |
| 2000 | 5111.5 | 8 |
| 1999 | 4545.7 | 8 |
| 1998 | 4151.1 | 8 |
| 1997 | 2325.3 | 9 |