| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.78 | 110 |
| 2015 | 4.32 | 53 |
| 2014 | 4.16 | 51 |
| 2013 | 3.45 | 64 |
| 2012 | 21 | 6 |
| 2011 | 5.3 | 45 |
| 2010 | 12 | 13 |
| 2009 | 13.67 | 27 |
| 2008 | 3.5 | 81 |
| 2007 | 3 | 93 |
| 2006 | 3.99 | 75 |
| 2005 | 11.45 | 17 |
| 2004 | 6.03 | 39 |
| 2003 | -2 | 128 |
| 2002 | -3.17 | 130 |
| 2001 | -8.6 | 141 |
| 2000 | -2.61 | 118 |
| 1999 | -.85 | 109 |
| 1998 | 1.13 | 93 |
| 1997 | -1.6 | 113 |
| 1996 | 2.66 | 64 |
| 1995 | 0.3 | 84 |
| 1994 | 1.76 | 61 |
| 1993 | 6.71 | 25 |
| 1992 | 7.18 | 20 |