Year	per Person
1965	1.05398
1966	1.13731
1967	1.22292
1968	1.2994
1969	1.36656
1970	1.4556
1971	1.53939
1972	1.61899
1973	1.71791
1974	1.82021
1975	1.92846
1976	2.02308
1977	2.10562
1978	2.18558
1979	2.22039
1980	2.26808
1981	2.27031
1982	2.26474
1983	2.25861
1984	2.22504