| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2014 | 107.47 | 22 |
| 2013 | 100.93 | 33 |
| 2012 | 108.13 | 29 |
| 2011 | 109.63 | 26 |
| 2010 | 93.82 | 31 |
| 2009 | 82.76 | 40 |
| 2008 | 109.73 | 27 |
| 2007 | 104.11 | 31 |
| 2006 | 89.83 | 41 |
| 2005 | 84.19 | 50 |
| 2004 | 81.09 | 48 |
| 2003 | 74.26 | 52 |
| 2002 | 77.41 | 51 |
| 2001 | 76.88 | 51 |
| 2000 | 90.57 | 38 |
| 1999 | 80.77 | 44 |
| 1998 | 90.34 | 23 |
| 1997 | 80.74 | 38 |
| 1996 | 62.73 | 73 |
| 1995 | 65.69 | 62 |
| 1994 | 76.01 | 35 |
| 1993 | 88.39 | 19 |
| 1992 | 103.82 | 13 |