Year	US Dollars adjusted for inflation)
1990	10720
1991	8420
1992	7355
1993	6655
1994	7042
1995	7418
1996	7736
1997	8159
1998	8531
1999	8611
2000	8980
2001	9215
2002	9502
2003	9778
2004	10130