11143000 1951 95.6 2540 1 19501119 4.50 4 11143000 1952 206 3060 1 19520115 12.0 9 11143000 1953 85.7 1240 1 19530108 15.0 10 11143000 1954 53.0 502 1 19540213 9.00 1 19540907 11143000 1955 46.6 284 1 19541202 8.30 1 19550904 11143000 1956 150 4120 1 19551223 9.10 1 19560912 11143000 1957 42.8 915 1 19570225 9.60 5 11143000 1958 199 3260 1 19580403 16.0 3 11143000 1959 40.1 570 1 19590218 6.30 2 11143000 1960 42.6 694 1 19600201 7.30 4 11143000 1961 18.2 275 1 19601201 4.30 18 11143000 1962 78.7 2190 1 19620210 4.50 8 11143000 1963 142 3830 1 19630131 14.0 9 11143000 1964 44.4 699 1 19640121 9.00 7 11143000 1965 90.5 1820 1 19650106 8.10 3 11143000 1966 59.2 680 1 19651230 9.30 2 11143000 1967 176 3260 1 19661206 8.20 1 19661011 11143000 1968 34.7 510 1 19680130 7.70 4 11143000 1969 189 2950 1 19690125 8.90 3 11143000 1970 94.5 2330 1 19700116 12.0 19 11143000 1971 60.4 1060 1 19701129 10.0 1 19710926 11143000 1972 30.4 725 1 19711225 5.70 2 11143000 1973 174 2290 1 19730211 8.90 1 19721007 11143000 1974 131 1460 1 19740302 15.0 2 11143000 1975 106 1560 1 19750202 18.0 6 11143000 1976 17.5 100 1 19760301 5.10 1 19760730 11143000 1977 10.0 117 1 19770103 2.60 1 19770823 11143000 1978 246 3040 1 19780116 6.30 1 19771012 11143000 1979 97.9 956 1 19790214 15.0 1 19790924 11143000 1980 200 2800 1 19800114 16.0 2 11143000 1981 65.1 997 1 19810127 15.0 34 11143000 1982 183 2780 1 19820411 15.0 1 19811009 11143000 1983 319 2280 1 19830127 18.0 2 11143000 1984 80.6 1380 1 19831225 13.0 13 11143000 1985 45.1 813 1 19850208 11.0 28 11143000 1986 163 2740 1 19860218 10.0 2 11143000 1987 37.0 1410 1 19870213 9.50 1 19870930 11143000 1988 24.0 223 1 19880105 5.00 2