时间 | 值 (%) | 世界排名 |
---|---|---|
2011 | 3.9 | 65 |
2010 | 5.1 | 60 |
2009 | 5.6 | 55 |
2008 | 14.8 | 52 |
2007 | 31.3 | 37 |
2006 | 18.1 | 41 |
2005 | 15.4 | 41 |
2004 | 16.3 | 41 |
2003 | 6.6 | 52 |
2002 | 22.6 | 31 |
2001 | 85.5 | 14 |
2000 | 3.2 | 59 |
1999 | 5.7 | 51 |
1998 | 101.2 | 8 |
1996 | 173 | 1 |
1995 | 7.2 | 39 |
1994 | 4.6 | 42 |
1993 | 18.3 | 27 |