时间 | 值 (%) | 世界排名 |
---|---|---|
2004 | 27.1 | 27 |
2003 | 20.1 | 27 |
2002 | 18.2 | 25 |
2001 | 40.1 | 16 |
2000 | 54.8 | 20 |
1999 | 31.2 | 23 |
1998 | 37.9 | 19 |
1997 | 25.3 | 20 |
1996 | 18 | 20 |
1995 | 14.2 | 22 |
1994 | 16.5 | 18 |
1993 | 14 | 19 |
1992 | 9.9 | 18 |
1991 | 7.2 | 21 |
1990 | 8.6 | 18 |
1989 | 12.5 | 17 |
1988 | 4.3 | 23 |
1987 | 2 | 28 |
1986 | 2.3 | 27 |