Year	Per 100 People
1960	0.53142
1965	0.80144
1970	0.99951
1975	2.09285
1976	2.41273
1977	2.38432
1978	2.36513
1979	2.28934
1980	2.3666
1981	2.54874
1982	2.52071
1983	2.56769
1984	2.64359
1985	2.7853
1986	3.00514
1987	3.24475
1988	3.54152
1989	3.70417
1990	3.9115
1991	4.28133
1992	5.14558
1993	6.09904
1994	7.23297
1995	8.40332
1996	9.45871
1997	10.37061
1998	11.51005
1999	12.86632
2000	14.34446
2001	16.24017
2002	18.95689
2003	22.29356
2004	23.47419
2005	28.88168
2006	31.76698
2007	33.08987
2008	34.04464
2009	35.01826
2010	34.61985
2011	36.78149
2012	37.61559
2013	38.33978
2014	37.46422
2015	38.33012
2016	38.23811
2017	38.42008