50252000 1980    0.14    19.0   1 19791123   0.000  16         
50252000 1983    0.67     169   1 19830418   0.000   1 19821010
50252000 1984   0.089    10.0   1 19831104   0.000   1 19840402
50252000 1985    0.45    74.0   1 19841107   0.010  60         
50252000 1986    0.57    32.0   1 19851105   0.000  33         
50252000 1987    0.43    20.0   1 19870529   0.010   8         
50252000 1988    0.49    90.0   1 19871127   0.000   7