Year	Per 100 People
1990	10.52
1991	12.77
1992	13.83
1993	14.88
1994	18.21
1995	24.92
1996	29.38
1997	33.86
1998	39.5
1999	45.12
2000	50.69
2001	56.17
2002	62.2
2003	68.83
2004	76.17
2005	83.48
2006	88.2