| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 120.73 | 14 |
| 2015 | 126.63 | 12 |
| 2014 | 130.97 | 14 |
| 2013 | 134.32 | 13 |
| 2012 | 134.82 | 16 |
| 2011 | 139.47 | 13 |
| 2010 | 142.44 | 6 |
| 2009 | 138.93 | 7 |
| 2008 | 154.13 | 7 |
| 2007 | 166.44 | 5 |
| 2006 | 178.98 | 5 |
| 2005 | 178.32 | 4 |
| 2004 | 185.81 | 5 |
| 2003 | 170.6 | 5 |
| 2002 | 172.47 | 5 |
| 2001 | 174.46 | 4 |
| 2000 | 192.12 | 4 |
| 1999 | 188.78 | 5 |
| 1998 | 182.39 | 5 |
| 1997 | 157.76 | 8 |
| 1996 | 155.42 | 7 |
| 1995 | 170.91 | 6 |
| 1994 | 159.03 | 6 |
| 1993 | 138.7 | 7 |
| 1992 | 136.27 | 7 |
| 1991 | 144.47 | 8 |
| 1990 | 133.36 | 7 |
| 1989 | 122.4 | 10 |
| 1988 | 106.77 | 11 |
| 1987 | 95.21 | 16 |
| 1986 | 88.61 | 19 |