Year	Per 100 People
1970	0.92761
1980	1.83105
1981	1.95778
1982	2.07781
1983	2.19513
1984	2.56486
1985	3.01739
1986	3.51397
1987	4.13725
1988	4.07048
1989	3.96122
1990	4.07641
1991	3.73316
1992	3.87031
1993	3.57781
1994	3.31275
1995	3.16004
1996	3.06871
1997	3.02481
1998	2.92905
1999	2.95041
2000	2.86437
2001	2.78332
2002	4.52418
2003	4.61728
2004	3.92999
2005	4.12834
2006	4.50399
2007	4.80624
2008	3.71779
2009	5.51984
2010	5.59311
2011	5.65448
2012	5.70835
2013	5.60751
2014	5.56389
2015	5.52946
2016	5.4593
2017	7.62489