| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 216.67 | 5 |
| 2015 | 216.24 | 5 |
| 2014 | 209.66 | 5 |
| 2013 | 193.38 | 5 |
| 2012 | 196.4 | 6 |
| 2011 | 186.31 | 8 |
| 2010 | 190.11 | 7 |
| 2009 | 173.4 | 7 |
| 2008 | 159.69 | 12 |
| 2007 | 153.22 | 14 |
| 2006 | 149.9 | 11 |
| 2005 | 148.25 | 13 |
| 2004 | 146.7 | 14 |
| 2003 | 146.55 | 16 |
| 2002 | 163.78 | 11 |
| 2001 | 175.05 | 10 |
| 2000 | 175.14 | 11 |
| 1999 | 160.19 | 10 |
| 1998 | 158.01 | 10 |
| 1997 | 142.34 | 13 |
| 1996 | 138.73 | 16 |
| 1995 | 135.97 | 15 |
| 1994 | 126.36 | 21 |
| 1993 | 116.49 | 24 |
| 1992 | 109.44 | 30 |
| 1991 | 106.34 | 29 |
| 1990 | 104.93 | 31 |
| 1989 | 112.35 | 24 |
| 1988 | 105.11 | 27 |
| 1987 | 100.64 | 27 |
| 1986 | 97.03 | 34 |