Year	Per 100 People
1960	2.43375
1965	2.98678
1970	3.84962
1975	4.82578
1976	4.88729
1977	4.91677
1978	4.98418
1979	5.22542
1980	5.73885
1981	5.92353
1982	6.11404
1983	6.33945
1984	6.64392
1985	6.9917
1986	7.32049
1987	7.75844
1988	8.22421
1989	8.80493
1990	9.596
1991	10.88553
1992	12.4637
1993	14.45595
1994	17.12762
1995	20.84286
1996	25.65777
1997	30.02516
1998	33.2972
1999	36.34921
2000	37.16109
2001	36.70934
2002	36.08621
2003	35.52482
2004	35.23452
2005	33.86434
2006	33.41692
2007	32.42889
2008	30.96721
2009	30.81336
2010	29.98874
2011	29.6348
2012	29.99724
2013	30.25919
2014	30.68532
2015	31.62563
2016	31.98652
2017	32.21292