| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.48 | 40 |
| 2015 | 0.14 | 116 |
| 2014 | 0.79 | 110 |
| 2013 | -4.63 | 149 |
| 2012 | 0.43 | 115 |
| 2011 | 0.64 | 107 |
| 2010 | -4.91 | 147 |
| 2009 | 3.73 | 88 |
| 2008 | 6.7 | 47 |
| 2007 | 0.44 | 129 |
| 2006 | -4.77 | 138 |
| 2005 | 3.72 | 67 |
| 2004 | -8.48 | 137 |
| 2003 | 9.72 | 18 |
| 2002 | -3.98 | 132 |
| 2001 | -4.48 | 136 |
| 2000 | -1.13 | 114 |
| 1999 | 16.82 | 10 |
| 1998 | -6.77 | 124 |
| 1997 | 0.86 | 94 |
| 1996 | -2.8 | 112 |
| 1995 | 10.79 | 9 |
| 1994 | 3.79 | 40 |
| 1993 | 1.24 | 69 |
| 1992 | -5.59 | 97 |
| 1991 | -11.79 | 110 |