Year	Per 100 People
1960	16.30144
1965	25.77098
1970	31.93664
1975	39.68726
1976	47.01642
1977	49.5951
1978	51.36658
1979	52.66149
1980	54.58964
1981	56.32455
1982	59.00666
1983	63.00053
1984	66.28788
1985	72.13456
1986	72.31156
1987	73.70081
1988	75.59432
1989	78.46616
1990	82.88325
1991	87.83419
1992	97.53876
1993	98.93158
1994	100.06244
1995	101.09478
1996	102.30245
1997	99.83681
1998	95.80306
1999	93.6761
2000	93.41375
2001	91.644
2002	103.31607
2003	101.71864
2004	101.59392
2005	100.57112
2006	99.82272
2007	98.82943
2008	97.62084
2009	118.18854
2010	115.67909
2011	118.66283
2012	121.06768
2013	123.38363
2014	132.72317
2015	128.13585
2016	120.97717
2017	121.49632