Year	Per 100 People
1965	1.52776
1970	3.38586
1975	9.42403
1976	10.95621
1977	12.02351
1978	14.26594
1979	16.69203
1980	19.0498
1981	19.97272
1982	20.95705
1983	21.3394
1984	22.40454
1985	23.17165
1986	24.72257
1987	27.08881
1988	28.71278
1989	29.95027
1990	29.86296
1991	30.05969
1992	30.18206
1993	31.43353
1994	33.10042
1995	35.11673
1996	37.81722
1997	41.80491
1998	44.62715
1999	45.7071
2000	46.60436
2001	42.99359
2002	44.81758
2003	44.52282
2004	44.19198
2005	56.45379
2006	63.1602
2007	40.68193
2008	40.14356
2009	38.85207
2010	38.5289
2011	35.18178
2012	33.48681
2013	31.90697
2014	30.50619
2015	28.38037