Year	Per 100 People
1960	0.42323
1965	0.49913
1970	0.67365
1975	0.73959
1976	0.79964
1977	0.95316
1978	1.07064
1979	1.10641
1980	1.13923
1981	1.18646
1982	1.28899
1983	1.35235
1984	1.45658
1985	1.55556
1986	1.55205
1987	1.53625
1988	1.56314
1989	1.75505
1990	2.05334
1991	2.13227
1992	2.20846
1993	2.32516
1994	2.40943
1995	2.75114
1996	3.17503
1997	3.94679
1998	4.64364
1999	5.36305
2000	5.80762
2001	6.34036
2002	6.92914
2003	7.55283
2004	8.84682
2005	9.53084
2006	10.11365
2007	10.31873
2008	10.34452
2009	9.87157
2010	10.24307
2011	10.87932
2012	11.41926
2013	11.94554
2014	10.79092
2015	10.57596
2016	14.80345
2017	14.55115