Year	Per 100 People
1990	4.56
1991	5.71
1992	7.49
1993	9.87
1994	12.32
1995	15.36
1996	19.1
1997	23.53
1998	26.3
1999	30.53
2000	40.33
2001	38.68
2002	48.11
2003	54.71
2004	60.14
2005	59.26
2006	62.97