Year	US Dollars adjusted for inflation)
1990	11390
1991	9794
1992	8065
1993	8031
1994	7951
1995	8693
1996	8973
1997	9655
1998	10020
1999	10280
2000	11080
2001	11580
2002	12610
2003	12790
2004	13780