Year	Per 100,000 People
1981	25.9103
1982	25.1772
1985	25.2928
1986	18.9063
1987	18.4452
1988	19.0505
1989	21.7633
1990	20.9522
1991	19.8436
1992	21.3464
1993	25.3407
1994	25.7829
1995	30.6814
1996	31.9931
1997	31.2647
1998	30.2129
1999	27.8552
2000	30.5758
2001	30.1182
2002	28.775
2003	29.0943
2013	20.5125
2014	18.0162
2015	16.4335