时间 | 值 (美元) | 世界排名 |
---|---|---|
2013 | 15946 | 30 |
2012 | 16198 | 30 |
2011 | 15539 | 31 |
2010 | 15258 | 33 |
2009 | 14965 | 32 |
2008 | 15323 | 32 |
2007 | 15413 | 32 |
2006 | 15119 | 32 |
2005 | 14903 | 32 |
2004 | 14488 | 32 |
2003 | 13905 | 32 |
2002 | 13583 | 32 |
2001 | 13099 | 30 |
2000 | 12997 | 29 |
1999 | 12648 | 29 |
1998 | 12060 | 28 |
1997 | 11615 | 29 |
1996 | 11082 | 29 |
1995 | 10557 | 30 |
1994 | 10134 | 28 |
1993 | 9741 | 28 |
1992 | 9356 | 28 |
1991 | 9077 | 28 |
1990 | 9250 | 28 |
1989 | 9145 | 28 |
1988 | 9125 | 26 |
1987 | 8858 | 24 |
1986 | 8455 | 24 |