| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 57.54 | 81 |
| 2015 | 55.1 | 93 |
| 2014 | 57.11 | 101 |
| 2013 | 62.45 | 89 |
| 2012 | 67.31 | 86 |
| 2011 | 68.42 | 83 |
| 2010 | 68.28 | 72 |
| 2009 | 71.89 | 62 |
| 2008 | 90.7 | 48 |
| 2007 | 105.47 | 27 |
| 2006 | 110.29 | 28 |
| 2005 | 96.83 | 37 |
| 2004 | 101.45 | 30 |
| 2003 | 107.97 | 15 |
| 2002 | 119.48 | 12 |
| 2001 | 123.8 | 13 |
| 2000 | 169.66 | 6 |
| 1999 | 124.52 | 11 |
| 1998 | 98.85 | 21 |
| 1997 | 162.18 | 7 |
| 1996 | 137.95 | 10 |
| 1995 | 126.67 | 12 |
| 1994 | 76.89 | 34 |