Year	Per 100 People
1960	0.02209
1982	0.11417
1983	0.11668
1984	0.11735
1985	0.11794
1986	0.12168
1987	0.12054
1988	0.11942
1989	0.11984
1990	0.14446
1991	0.19683
1992	0.21471
1993	0.35832
1994	0.5979
1995	1.0306
1996	1.55339
1997	1.72092
1998	2.22244
1999	2.65254
2000	3.16709
2001	3.75885
2002	4.79418
2003	5.31979
2004	12.12161
2006	10.06823
2007	12.99997
2008	17.03149
2009	19.90211
2010	16.24735
2011	11.3766
2012	10.56483
2013	7.35027
2014	7.2671
2015	7.82818
2016	5.9195
2017	4.73732