| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 276.2 | 44 |
| 2015 | 329.6 | 44 |
| 2014 | 295.3 | 43 |
| 2013 | 334.9 | 39 |
| 2012 | 122.2 | 53 |
| 2011 | 107.2 | 56 |
| 2010 | 83.6 | 57 |
| 2009 | 256.9 | 44 |
| 2008 | 230.1 | 43 |
| 2007 | 161.6 | 47 |
| 2006 | 112.2 | 53 |
| 2005 | 138.7 | 48 |
| 2004 | 221 | 46 |
| 2003 | 116 | 55 |
| 2002 | 100.4 | 54 |
| 2001 | 117.1 | 56 |
| 2000 | 53.7 | 69 |
| 1999 | 6 | 118 |
| 1998 | 8.7 | 111 |
| 1997 | 9.5 | 108 |
| 1996 | 14.1 | 103 |
| 1995 | 34.6 | 69 |
| 1994 | 22.4 | 80 |
| 1993 | 40.1 | 61 |
| 1992 | 40.5 | 60 |
| 1991 | 25 | 67 |
| 1990 | 25.6 | 69 |
| 1989 | 30.2 | 64 |
| 1988 | 52.1 | 55 |
| 1987 | 78.7 | 46 |
| 1986 | 80.1 | 43 |