Year	Per 100 People
1990	0.96
1991	1.16
1992	1.93
1993	2.71
1994	3.39
1995	3.87
1996	4.36
1997	5.73
1998	6.42
1999	7.32
2000	8.51
2001	9.31
2002	10.81
2003	12.55
2004	14.58
2005	14.42
2006	18.32