| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -7.69 | 134 |
| 2015 | -4.7 | 143 |
| 2014 | 26.48 | 8 |
| 2013 | 8.65 | 89 |
| 2012 | 13.45 | 56 |
| 2011 | 14.22 | 61 |
| 2010 | 25.35 | 21 |
| 2009 | -4.64 | 155 |
| 2008 | 26.36 | 30 |
| 2007 | 5.66 | 153 |
| 2006 | 49.88 | 10 |
| 2005 | 32.93 | 24 |
| 2004 | 3.07 | 150 |
| 2003 | 0.58 | 145 |
| 2002 | 21.43 | 42 |
| 2001 | 24.18 | 52 |
| 2000 | 19.44 | 50 |
| 1999 | -3.37 | 153 |
| 1998 | -7.72 | 147 |
| 1997 | -4.1 | 148 |
| 1996 | 27.93 | 36 |
| 1995 | 48.75 | 18 |
| 1994 | 31.44 | 51 |
| 1993 | -28.3 | 139 |
| 1992 | -8.21 | 130 |
| 1991 | 3.37 | 106 |
| 1990 | -.99 | 114 |
| 1989 | 8.08 | 97 |
| 1988 | -13.13 | 124 |
| 1987 | 3.67 | 103 |
| 1986 | 1.13 | 111 |