| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 112.3 | 58 |
| 2015 | 114.3 | 56 |
| 2014 | 110.2 | 57 |
| 2013 | 99 | 57 |
| 2012 | 110.7 | 56 |
| 2011 | 153.8 | 51 |
| 2010 | 153.7 | 50 |
| 2009 | 76 | 55 |
| 2008 | 71.7 | 58 |
| 2007 | 66.3 | 61 |
| 2006 | 67.6 | 61 |
| 2005 | 71.6 | 57 |
| 2004 | 83.5 | 61 |
| 2003 | 71 | 60 |
| 2002 | 69.1 | 62 |
| 2001 | 103.9 | 57 |
| 2000 | 79.6 | 59 |
| 1999 | 69.4 | 62 |
| 1998 | 49.1 | 68 |
| 1997 | 8.2 | 112 |
| 1996 | 8.2 | 109 |
| 1995 | 8.7 | 106 |
| 1994 | 8.7 | 108 |
| 1993 | 8.7 | 106 |
| 1992 | 36.7 | 61 |