12416000 1949    31.2     277   1 19490419    4.20  10         
12416000 1950    52.0     700   1 19500318    4.00   6         
12416000 1951    34.3     600   1 19510211    3.70   6         
12416000 1952    33.6     331   1 19520407    3.40   2         
12416000 1953    34.4     524   1 19530201    2.80   2         
12416000 1959    40.2     333   1 19590125    4.30   3         
12416000 1966    15.5     182   1 19660330    2.90   3         
12416000 1967    28.0     278   1 19670129    2.90   1 19661009
12416000 1968    15.2     178   1 19680220    3.00   3         
12416000 1969    37.7     283   1 19690401    3.50   1 19681003
12416000 1970    24.4     317   1 19700217    2.70   1 19691202
12416000 1971    29.9     146   2             3.60   4         
12416000 1972    38.0     582   1 19720314    4.30   2         
12416000 1973    11.1    46.0   1 19730301    2.20   1 19721209
12416000 1974    47.3     623   1 19740117    2.90   4         
12416000 1975    22.8     184   1 19750511    3.50   3         
12416000 1976    27.5     226   1 19760409    4.20   2         
12416000 1977    5.44    21.0   2             1.80   4         
12416000 1978    27.2     268   1 19780324    2.70   2         
12416000 1979    22.6     202   1 19790506    2.70   1 19781231
12416000 1980    15.8     116   1 19800527    2.40   1 19791129
12416000 1981    35.6     560   1 19801226    3.50   3         
12416000 1982    33.9     620   1 19820221    4.40   3         
12416000 1983    34.3     228   1 19830310    4.70   2         
12416000 1984    35.4     222   1 19840315    4.00   6         
12416000 1985    21.7     293   1 19850411    3.90   5         
12416000 1986    21.3     197   1 19860226    3.90   2         
12416000 1987    22.4     270   1 19870306    2.70   2         
12416000 1988    13.9     193   1 19880407    2.50   6