Year	Per 100 People
1990	6.47
1991	7.7
1992	8.91
1993	10.08
1994	11.25
1995	16.16
1996	17.34
1997	21.02
1998	23.49
1999	28.43
2000	35.82
2001	41.93
2002	47.98
2003	55.22
2004	57.87
2005	61.01