| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2015 | 110.07 | 3 |
| 2014 | 123.09 | 3 |
| 2013 | 117.66 | 3 |
| 2012 | 109.18 | 3 |
| 2011 | 109.63 | 6 |
| 2010 | 97.33 | 5 |
| 2009 | 90.33 | 6 |
| 2008 | 97.93 | 6 |
| 2007 | 109.27 | 4 |
| 2006 | 53.1 | 17 |
| 2005 | 47.86 | 20 |
| 2004 | 55.32 | 12 |
| 2003 | 52.92 | 11 |
| 2002 | 52.84 | 10 |
| 2001 | 53.31 | 10 |
| 2000 | 73.39 | 5 |
| 1999 | 76.52 | 4 |
| 1998 | 79.65 | 3 |
| 1997 | 79.96 | 3 |
| 1996 | 83.7 | 2 |
| 1995 | 77.58 | 3 |
| 1994 | 73.12 | 2 |
| 1993 | 67.59 | 4 |
| 1992 | 71.5 | 2 |
| 1991 | 61.44 | 4 |
| 1990 | 64.68 | 6 |
| 1989 | 60.83 | 4 |
| 1988 | 60.55 | 4 |
| 1987 | 70.65 | 3 |
| 1986 | 62.47 | 4 |