Year	Per 100,000 People
1961	10.9062
1963	17.2301
1964	21.1916
1977	61.116
1978	70.1504
1979	77.3913
1980	79.459
1982	72.1301
1984	59.6112
1985	59.0565
1986	53.337
1987	51.1405
1988	58.0056
1991	49.6713