时间 | 值 (%) | 世界排名 |
---|---|---|
2001 | 8.16 | 98 |
2000 | 5.66 | 115 |
1999 | 6.29 | 105 |
1998 | 13.03 | 82 |
1997 | 9 | 96 |
1996 | 7.03 | 106 |
1995 | 7.31 | 109 |
1994 | 6.64 | 104 |
1993 | 11.52 | 79 |
1992 | 11.54 | 83 |
1991 | 25 | 44 |
1990 | 18.36 | 62 |
1989 | 17.73 | 57 |
1988 | 18.99 | 54 |
1987 | 14.2 | 66 |
1986 | 13.68 | 65 |