15565447 1976  218300  700000   1 19760523   37000  16         
15565447 1977  204100  668000   2            44000  17         
15565447 1978  185300  463000   1 19780708   42000   4         
15565447 1979  224200  580000   1 19790515   40000  17         
15565447 1980  236900  660000   1 19800530   50000  32         
15565447 1981  229600  560000   2            40000  19         
15565447 1982  240800  737000   1 19820620   38000  15         
15565447 1983  218900  552000   1 19830617   45000  10         
15565447 1984  231900  630000   2            35000  34         
15565447 1985  239200 1100000   4            40000  54         
15565447 1986  231400  574000   1 19860528   50000  45         
15565447 1987  223800  638000   2            47000  10         
15565447 1988  218700  680000   3            50000 141