Year	Per 100 People
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0.0455
1997	0.07482
1998	0.10504
1999	0.12999
2000	0.15362
2001	0.18719
2002	0.25587
2003	0.29115
2004	0.78408
2005	1.1877
2006	1.54553
2007	4.52631
2008	12.87721
2009	20.40384
2010	26.85726
2011	33.01534
2012	36.45619
2013	39.51078
2014	43.30832
2015	44.95049
2016	46.77804