| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.28 | 123 |
| 2015 | 1.13 | 113 |
| 2014 | 0.06 | 131 |
| 2013 | 2.18 | 101 |
| 2012 | 0.43 | 118 |
| 2011 | 1.41 | 133 |
| 2010 | 4.71 | 91 |
| 2009 | -6 | 112 |
| 2008 | 0.12 | 121 |
| 2007 | 4.12 | 105 |
| 2006 | 4.05 | 106 |
| 2005 | 4.72 | 77 |
| 2004 | 4.14 | 94 |
| 2003 | 1.36 | 124 |
| 2002 | 2.39 | 100 |
| 2001 | 1.43 | 99 |
| 2000 | 3.83 | 95 |
| 1999 | -.43 | 126 |
| 1998 | -1.2 | 133 |
| 1997 | 2.46 | 97 |
| 1996 | 1.36 | 115 |
| 1995 | 1.8 | 89 |
| 1994 | 1.99 | 91 |
| 1993 | 0.72 | 72 |
| 1992 | -1.14 | 92 |
| 1991 | -3.1 | 101 |
| 1990 | -1.1 | 88 |
| 1989 | 1.26 | 80 |
| 1988 | 4.14 | 58 |
| 1987 | -1.43 | 91 |
| 1986 | -2.1 | 94 |