Year	Employ
1971	87.9
1972	88.5
1973	88.8
1974	90.2
1975	78.1
1976	79.6
1977	81.5
1978	82.4
1979	80.5
1980	77.7
1981	76.7
1982	73.2
1983	69.3
1984	72.2
1985	76.0
1986	73.3
1987	75.0
1988	75.5
1989	77.6
1990	75.9