时间 | 值 (美元) | 世界排名 |
---|---|---|
2013 | 28704 | 38 |
2012 | 27812 | 38 |
2011 | 27279 | 39 |
2010 | 26436 | 40 |
2009 | 25769 | 40 |
2008 | 24898 | 44 |
2007 | 23665 | 45 |
2006 | 22936 | 44 |
2005 | 21959 | 43 |
2004 | 20989 | 43 |
2003 | 19820 | 40 |
2002 | 18973 | 37 |
2001 | 18244 | 36 |
2000 | 16192 | 38 |
1999 | 15221 | 41 |
1998 | 14304 | 40 |
1997 | 12818 | 42 |
1996 | 12173 | 45 |
1995 | 11579 | 44 |
1994 | 10876 | 40 |
1993 | 10212 | 40 |
1992 | 9659 | 41 |
1991 | 9064 | 40 |
1990 | 8653 | 41 |
1989 | 8063 | 38 |
1988 | 7536 | 40 |
1987 | 6938 | 39 |
1986 | 6443 | 39 |