Year	Per 100 People
1990	5.99
1991	6.53
1992	6.91
1993	7.78
1994	9.19
1995	12.03
1996	16.21
1997	20.22
1998	23.72
1999	28.64
2000	31.49
2001	35.82
2002	38.19
2003	40.72