Year	current US$
1994	338600000
1995	338860000
1996	471190000
1997	129460000.00000001
1998	85040000
1999	94830000
2000	73030000
2001	127100000
2002	147770000
2003	172250000
2004	222040000
2005	196330000
2006	197500000
2007	234260000