| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 192.6 | 3 |
| 2015 | 187.74 | 5 |
| 2014 | 188.11 | 5 |
| 2013 | 182.44 | 5 |
| 2012 | 178.43 | 5 |
| 2011 | 159.25 | 5 |
| 2010 | 146.05 | 8 |
| 2009 | 142.93 | 8 |
| 2008 | 130.54 | 9 |
| 2007 | 130.81 | 8 |
| 2006 | 134.82 | 8 |
| 2005 | 136.67 | 9 |
| 2004 | 132.6 | 8 |
| 2003 | 133.1 | 8 |
| 2002 | 124.05 | 10 |
| 2001 | 117.11 | 9 |
| 2000 | 115.51 | 8 |
| 1999 | 146.49 | 5 |
| 1998 | 131.68 | 5 |
| 1997 | 128.82 | 5 |
| 1996 | 123.35 | 5 |
| 1995 | 113.49 | 6 |
| 1994 | 109.82 | 6 |
| 1993 | 108.04 | 7 |
| 1992 | 101.39 | 9 |
| 1991 | 100.88 | 9 |
| 1990 | 102.96 | 6 |
| 1989 | 110.74 | 9 |
| 1988 | 112.46 | 7 |
| 1987 | 113.25 | 4 |
| 1986 | 106.33 | 6 |