Year	Per 100 People
1990	9.36
1991	11.29
1992	13.2
1993	14.42
1994	16.93
1995	20.05
1996	23.15
1997	28.13
1998	32.43
1999	36.05
2000	39.63
2001	43.17
2002	47.04
2003	51.26
2004	68.47
2005	85.54
2006	91.22