Year	Per 100 People
1960	0.65531
1965	0.78572
1970	1.08093
1975	1.73277
1976	1.91569
1977	2.071
1978	2.3474
1979	2.54021
1980	2.61002
1981	2.8931
1982	3.26337
1983	3.5545
1984	4.03434
1985	4.57502
1986	5.54498
1987	7.23446
1988	9.43432
1989	11.06105
1990	12.72485
1991	14.86444
1992	16.88014
1993	19.30239
1994	21.2146
1995	22.44454
1996	24.04192
1997	25.8048
1998	27.40439
1999	28.75705
2000	29.08782
2001	29.45015
2002	28.99772
2003	28.62449
2004	28.54167
2005	27.94885
2006	27.3861
2007	26.15189
2008	24.84696
2009	23.1771
2010	22.40033
2011	20.72055
2012	18.58616
2013	17.88123
2014	16.26478
2015	14.68358
2016	13.93186
2017	14.00513