Year	Per 100 People
1990	6.65
1991	7.51
1992	8.28
1993	8.97
1994	10.58
1995	13.96
1996	16.27
1997	19.37
1998	20.63
1999	22.85
2000	26.13
2001	25.74
2002	25.37
2003	25.02