Year	per person
1971	895.9
1972	866
1973	849.5
1974	866.1
1975	851.1
1976	875.7
1977	899.8
1978	931.8
1979	922.8
1980	923.8
1981	942.9
1982	956.4
1983	974.1
1984	993.3
1985	1004
1986	1037
1987	1028
1988	1121
1989	1142
1990	1137
1991	1141
1992	1206