| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.6 | 86 |
| 2015 | 5.22 | 51 |
| 2014 | 0.59 | 123 |
| 2013 | -1.83 | 149 |
| 2012 | -4.46 | 155 |
| 2011 | 2.46 | 117 |
| 2010 | 15.7 | 7 |
| 2009 | -15.37 | 162 |
| 2008 | -3.89 | 157 |
| 2007 | 5.25 | 89 |
| 2006 | 6.38 | 70 |
| 2005 | 3.08 | 105 |
| 2004 | 8.6 | 45 |
| 2003 | 2.7 | 104 |
| 2002 | 3.48 | 86 |
| 2001 | 0.95 | 108 |
| 2000 | 7.38 | 47 |
| 1999 | 6.47 | 45 |
| 1998 | 5.96 | 48 |
| 1997 | 5.11 | 72 |
| 1996 | 2.26 | 101 |
| 1995 | 10.02 | 24 |
| 1994 | 9.39 | 24 |
| 1993 | -3.47 | 97 |
| 1992 | -4.29 | 103 |
| 1991 | -2.74 | 99 |
| 1990 | -1.69 | 92 |
| 1989 | 0.67 | 85 |
| 1988 | 2.13 | 73 |
| 1987 | 2.34 | 67 |
| 1986 | 1.64 | 74 |