Year	Per 100 People
1970	1.82911
1975	3.02383
1976	3.4966
1977	3.99123
1978	4.22941
1979	0.53387
1980	1.60661
1982	4.12399
1983	4.1607
1984	5.25514
1985	6.53423
1986	8.21636
1987	9.67252
1988	11.15107
1989	14.03666
1990	16.40019
1991	17.50939
1992	19.30393
1993	22.32832
1994	23.3982
1995	24.94115
1996	26.33636
1997	27.13666
1998	28.55314
1999	30.51657
2000	32.57937
2001	33.37161
2002	33.95394
2003	32.05456
2004	29.78587
2005	26.90189
2006	24.71507
2007	24.59479
2008	24.62222
2009	23.16472
2010	21.67413
2011	20.9041
2012	22.53762
2013	23.67956
2014	22.60161
2015	28.13619
2016	18.12273