| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.35 | 102 |
| 2015 | 2.49 | 56 |
| 2014 | -5.34 | 147 |
| 2013 | 2.56 | 58 |
| 2012 | 0.05 | 115 |
| 2011 | 8.23 | 18 |
| 2010 | 10.04 | 6 |
| 2009 | -6.36 | 138 |
| 2008 | 6.15 | 35 |
| 2007 | 8.21 | 28 |
| 2006 | 9.8 | 21 |
| 2005 | 6.25 | 46 |
| 2004 | 8.31 | 25 |
| 2003 | 6.98 | 26 |
| 2002 | -15.3 | 136 |
| 2001 | -6.78 | 131 |
| 2000 | -1.76 | 107 |
| 1999 | -3.09 | 111 |
| 1998 | 2.31 | 73 |
| 1997 | 7.72 | 15 |
| 1996 | 4.27 | 48 |
| 1995 | -5.57 | 112 |
| 1994 | 4.7 | 23 |