| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 182.8 | 9 |
| 2015 | 172.18 | 10 |
| 2014 | 196.31 | 6 |
| 2013 | 190.73 | 6 |
| 2012 | 183.43 | 9 |
| 2011 | 193.65 | 7 |
| 2010 | 159.28 | 8 |
| 2009 | 148.53 | 11 |
| 2008 | 191.79 | 8 |
| 2007 | 197 | 8 |
| 2006 | 123.66 | 36 |
| 1994 | 156.95 | 11 |
| 1993 | 146.85 | 11 |
| 1992 | 161.33 | 8 |
| 1991 | 159.79 | 9 |
| 1990 | 168.08 | 7 |
| 1989 | 153.16 | 9 |
| 1988 | 144.53 | 9 |
| 1987 | 145.89 | 11 |
| 1986 | 128.82 | 12 |