| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2013 | 130.22 | 29 |
| 2012 | 127.38 | 34 |
| 2011 | 132.61 | 33 |
| 2010 | 128.96 | 28 |
| 2009 | 133.13 | 20 |
| 2008 | 145.27 | 22 |
| 2007 | 146.19 | 18 |
| 2006 | 149.71 | 13 |
| 2005 | 146.06 | 16 |
| 2004 | 147.06 | 13 |
| 2003 | 148.24 | 15 |
| 2002 | 131.46 | 19 |
| 2001 | 137.31 | 18 |
| 2000 | 134.29 | 24 |
| 1999 | 131.83 | 18 |
| 1998 | 123.4 | 25 |
| 1997 | 122.35 | 25 |
| 1996 | 121.42 | 25 |
| 1995 | 128.95 | 18 |
| 1994 | 127.08 | 20 |
| 1993 | 127.02 | 19 |
| 1992 | 138.16 | 17 |
| 1991 | 149.43 | 12 |
| 1990 | 147.59 | 11 |
| 1989 | 141.89 | 11 |
| 1988 | 132.76 | 13 |
| 1987 | 131.12 | 13 |
| 1986 | 129.89 | 11 |