时间 | 值 (亿美元) | 世界排名 |
---|---|---|
2016 | 1.4 | 110 |
2015 | 1.3 | 116 |
2014 | 1.5 | 120 |
2013 | 1.5 | 120 |
2012 | 1.4 | 118 |
2009 | 1.2 | 118 |
2008 | 1.2 | 118 |
2006 | 0.8 | 117 |
2005 | 0.7 | 119 |
2004 | 0.7 | 118 |
2003 | 0.6 | 116 |
2002 | 0.4 | 120 |
2001 | 0.5 | 112 |
2000 | 0.4 | 117 |
1999 | 0.3 | 120 |
1998 | 0.3 | 124 |
1997 | 0.4 | 118 |
1996 | 0.4 | 116 |
1995 | 0.3 | 116 |
1994 | 0.3 | 113 |
1993 | 0.3 | 120 |
1992 | 0.4 | 100 |
1991 | 0.4 | 100 |
1990 | 0.4 | 97 |
1989 | 0.4 | 95 |
1988 | 0.4 | 91 |
1987 | 0.4 | 86 |
1986 | 0.4 | 81 |