| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.6 | 165 |
| 2015 | 0 | 170 |
| 2014 | 0.7 | 162 |
| 2013 | 8.7 | 12 |
| 2012 | 7.99 | 21 |
| 2011 | 8.2 | 23 |
| 2010 | 6.1 | 65 |
| 2009 | 5.3 | 29 |
| 2008 | 7.15 | 40 |
| 2007 | 9.53 | 30 |
| 2006 | 8.04 | 47 |
| 2005 | 5.28 | 93 |
| 2004 | 2.62 | 162 |
| 2003 | -30.15 | 202 |
| 2002 | 3.76 | 89 |
| 2001 | 2.92 | 103 |
| 2000 | 28.62 | 1 |
| 1999 | 21.74 | 2 |
| 1998 | 30.21 | 2 |
| 1997 | 106.28 | 2 |
| 1996 | 12.12 | 7 |
| 1995 | -4.27 | 172 |
| 1994 | -21.76 | 181 |
| 1993 | -32.98 | 181 |
| 1992 | -35.09 | 176 |
| 1991 | -14.23 | 173 |
| 1990 | -51.03 | 165 |
| 1989 | -26.67 | 165 |
| 1988 | -2.04 | 152 |
| 1987 | -1 | 142 |
| 1986 | -1.68 | 144 |