Year	Per 100,000 People
1969	2.964
1972	1.7426
1973	1.5375
1974	1.5735
1976	1.7873
1981	3.2614
1982	1.5827
1986	1.5588
1987	1.5827
1988	1.5842
1989	3.1204
1991	1.3941
1992	1.3386
2001	4.9059
2002	2.358
2008	1.1825
2010	1.2129
2015	1.1468