Year	Per 100 People
1990	0.11
1991	0.14
1992	0.2
1993	0.27
1994	0.37
1995	0.5
1996	0.66
1997	0.8
1998	0.83
1999	0.92
2000	1
2001	1.09
2002	1.17
2003	1.27
2004	1.37
2005	1.47
2006	2