Year	Per 100 People
1990	0.79
1991	0.97
1992	1.3
1993	1.77
1994	2.21
1995	2.85
1996	3.11
1997	3.88
1998	4.91
1999	6.21
2000	6.91
2001	8.54
2002	10.56
2003	14.2
2004	11.72
2005	13.88
2006	16.77
