Year	Per 100 People
1990	3.72
1991	4.54
1992	5.72
1993	6.91
1994	8.69
1995	10.79
1996	13.88
1997	15.14
1998	17.92
1999	24.81
2000	39.79
2001	47.82
2002	49.72
2003	51.09
2004	52.17
2005	53.72
2006	54.44