| 时间 | 值 | 世界排名 |
|---|---|---|
| 2006 | 1.3 | 116 |
| 2005 | 1.3 | 118 |
| 2004 | 174.5 | 52 |
| 2003 | 171 | 49 |
| 2002 | 185.1 | 46 |
| 2001 | 184.2 | 44 |
| 2000 | 198.9 | 47 |
| 1999 | 199 | 45 |
| 1998 | 201.1 | 43 |
| 1997 | 202.6 | 44 |
| 1996 | 172.2 | 41 |
| 1995 | 133.5 | 45 |
| 1994 | 130.8 | 46 |
| 1993 | 121.1 | 45 |
| 1992 | 114.7 | 40 |
| 1991 | 119.2 | 40 |
| 1990 | 123.9 | 41 |
| 1989 | 121.8 | 39 |
| 1988 | 113.6 | 40 |
| 1987 | 108 | 40 |
| 1986 | 116.5 | 37 |