| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.63 | 158 |
| 2015 | -.93 | 160 |
| 2014 | 0.38 | 147 |
| 2013 | 2.87 | 71 |
| 2012 | 11.11 | 3 |
| 2011 | 13.9 | 3 |
| 2010 | 13.19 | 3 |
| 2009 | 6.72 | 8 |
| 2008 | -19.06 | 199 |
| 2007 | -5.14 | 200 |
| 2006 | -4.82 | 198 |
| 2005 | -6.9 | 200 |
| 2004 | -6.87 | 201 |
| 2003 | -17.87 | 199 |
| 2002 | -9.87 | 192 |
| 2001 | 0.26 | 135 |
| 2000 | -4.31 | 187 |
| 1999 | -2.23 | 164 |
| 1998 | 1.3 | 121 |
| 1997 | 1 | 136 |
| 1996 | 8.46 | 13 |
| 1995 | -1.64 | 154 |
| 1994 | 7.16 | 14 |
| 1993 | -1.01 | 117 |
| 1992 | -11.06 | 164 |
| 1991 | 2.91 | 46 |
| 1990 | 4.04 | 38 |
| 1989 | 2.03 | 76 |
| 1988 | 4.07 | 58 |
| 1987 | -2.3 | 126 |
| 1986 | -1.51 | 122 |