| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -3.35 | 112 |
| 2015 | 0.6 | 107 |
| 2014 | 5.23 | 40 |
| 2013 | 10.3 | 23 |
| 2012 | 11.11 | 24 |
| 2011 | 8.7 | 25 |
| 2010 | 4.39 | 49 |
| 2009 | 11.61 | 35 |
| 2008 | 11.07 | 22 |
| 2007 | 5.69 | 62 |
| 2006 | 3.8 | 79 |
| 2005 | 3.55 | 70 |
| 2004 | 4.48 | 53 |
| 2003 | 1.15 | 105 |
| 2002 | 2.36 | 91 |
| 2001 | -3.32 | 132 |
| 2000 | 4 | 49 |
| 1999 | -2.86 | 116 |
| 1998 | -2.32 | 114 |
| 1997 | 7.09 | 29 |
| 1996 | -4.41 | 117 |
| 1995 | -.34 | 90 |
| 1994 | -.11 | 83 |
| 1993 | 1.95 | 66 |
| 1992 | 0.78 | 69 |
| 1991 | 1.83 | 72 |
| 1990 | -.79 | 72 |
| 1989 | 8 | 21 |
| 1988 | -.41 | 70 |
| 1987 | -1.41 | 76 |
| 1986 | 0.48 | 77 |