时间 | 值 (亿美元) | 世界排名 |
---|---|---|
2015 | 44 | 63 |
2014 | 51 | 67 |
2013 | 48 | 70 |
2012 | 44 | 71 |
2011 | 49 | 68 |
2010 | 41 | 67 |
2009 | 41 | 65 |
2008 | 46 | 63 |
2007 | 38 | 64 |
2006 | 35 | 61 |
2005 | 35 | 59 |
2004 | 38 | 54 |
2003 | 32 | 56 |
2002 | 30 | 55 |
2001 | 28 | 56 |
2000 | 31 | 56 |
1999 | 34 | 54 |
1998 | 37 | 53 |
1997 | 37 | 53 |
1996 | 44 | 45 |
1995 | 51 | 42 |
1994 | 46 | 34 |
1993 | 45 | 34 |
1992 | 51 | 31 |
1991 | 53 | 32 |
1990 | 57 | 33 |