| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 128.08 | 18 |
| 2015 | 134.16 | 21 |
| 2014 | 138.31 | 23 |
| 2013 | 142.72 | 20 |
| 2012 | 147.84 | 21 |
| 2011 | 154.94 | 20 |
| 2010 | 157.95 | 10 |
| 2009 | 162.56 | 8 |
| 2008 | 176.67 | 10 |
| 2007 | 192.47 | 9 |
| 2006 | 202.58 | 8 |
| 2005 | 203.85 | 8 |
| 2004 | 210.37 | 7 |
| 2003 | 194.19 | 8 |
| 2002 | 199.36 | 9 |
| 2001 | 203.36 | 7 |
| 2000 | 220.41 | 6 |
| 1999 | 217.57 | 6 |
| 1998 | 209.49 | 6 |
| 1997 | 185.66 | 7 |
| 1996 | 181.77 | 7 |
| 1995 | 192.11 | 6 |
| 1994 | 179.91 | 7 |
| 1993 | 157.94 | 8 |
| 1992 | 150.61 | 10 |
| 1991 | 159.31 | 10 |
| 1990 | 146.89 | 12 |
| 1989 | 136.69 | 14 |
| 1988 | 122.62 | 18 |
| 1987 | 111.92 | 23 |
| 1986 | 106.88 | 23 |