Year	Per 100 People
1960	1.4677
1965	1.47385
1970	1.4491
1975	1.33552
1976	1.34237
1977	1.3262
1978	1.35272
1979	1.3434
1980	1.33463
1981	1.3057
1982	1.27866
1983	1.28373
1984	1.24476
1985	1.20844
1986	1.20427
1987	1.22922
1988	1.2084
1989	1.22549
1990	1.21441
1991	1.20737
1992	1.18949
1993	1.17432
1994	1.21267
1995	1.34689
1996	1.5192
1997	1.80762
1998	1.98877
1999	1.98065
2000	2.04054
2001	2.05187
2002	2.30274
2003	2.38185
2004	2.48092
2005	2.53477
2006	2.5568
2007	2.58816
2008	2.56666
2009	2.78855
2010	2.69055
2011	2.47452
2012	2.05053
2013	2.02041
2014	2.13783
2015	2.11506
2016	1.89296
2017	1.59801