Year	Per 100 People
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0.49041
1981	0.58792
1982	0.70071
1983	0.86846
1984	1.06399
1985	1.37723
1986	1.7301
1987	2.14015
1988	2.78487
1989	3.8181
1990	5.16134
1991	6.35842
1992	7.65167
1993	9.645
1994	13.25392
1995	20.29937
1996	29.23903
1997	41.9775
1998	55.10944
1999	63.24343
2000	71.87082
2001	80.29235
2002	86.63819
2003	90.81753
2004	95.15116
2005	100.21056
2006	107.43581
2007	114.75998
2008	128.38582
2009	144.12334
2010	156.36118
2011	165.88604
2012	172.17873
2013	136.32009
2014	139.24898
2015	134.91875
2016	133.85287
2017	132.31024