| 时间 | 值 | 世界排名 |
|---|---|---|
| 2005 | 2.4 | 110 |
| 2004 | 1.7 | 121 |
| 2003 | 1 | 136 |
| 2002 | 0.8 | 138 |
| 2001 | 0.1 | 139 |
| 2000 | 0.9 | 134 |
| 1999 | 0.1 | 143 |
| 1998 | 0.1 | 142 |
| 1997 | 1.3 | 130 |
| 1996 | 1.1 | 125 |
| 1995 | 0.8 | 134 |
| 1994 | 1 | 121 |
| 1993 | 0 | 136 |
| 1992 | 0.3 | 123 |
| 1991 | 1.7 | 86 |
| 1990 | 1.4 | 94 |
| 1989 | 0.2 | 116 |
| 1988 | 0.5 | 116 |
| 1987 | 0.1 | 121 |
| 1986 | 0.7 | 107 |