11468000 1951 620 12900 1 19510122 7.40 4 11468000 1952 748 17200 1 19511227 11.0 12 11468000 1953 603 16200 1 19530109 8.20 1 19521013 11468000 1954 520 18800 1 19540117 14.0 3 11468000 1955 251 3490 1 19550421 6.20 3 11468000 1956 891 37800 1 19551222 8.60 3 11468000 1957 320 10800 1 19570224 9.20 3 11468000 1958 957 16100 1 19580224 14.0 13 11468000 1959 318 13300 1 19590216 5.00 4 11468000 1960 331 18000 1 19600208 6.00 6 11468000 1961 358 6650 1 19610211 6.00 1 19610908 11468000 1962 378 12400 1 19620213 6.50 7 11468000 1963 534 15000 1 19630131 12.0 12 11468000 1964 209 7140 1 19640121 5.50 1 19640831 11468000 1965 797 39800 1 19641222 6.30 1 19641006 11468000 1966 381 13500 1 19660105 5.00 1 19660911 11468000 1967 600 12000 1 19670121 7.30 1 19670930 11468000 1968 309 7000 1 19680114 7.20 5 11468000 1969 840 16600 1 19690113 5.50 1 19690930 11468000 1970 712 24100 1 19700124 5.30 3 11468000 1971 509 11600 2 5.50 1 19701003 11468000 1972 186 2100 1 19720123 3.80 2 11468000 1973 617 14000 1 19730112 6.50 2 11468000 1974 1080 45100 1 19740116 10.0 2 11468000 1975 603 11200 1 19750213 7.30 1 19750930 11468000 1976 121 1940 1 19760227 3.10 4 11468000 1977 25.0 526 1 19770316 0.23 1 19770713 11468000 1978 805 16500 1 19780116 6.70 4 11468000 1979 286 6390 1 19790111 3.90 1 19790821 11468000 1980 589 18400 1 19800113 4.40 2 11468000 1981 241 8500 1 19810128 2.60 5 11468000 1982 990 18200 1 19811220 8.50 1 19820915 11468000 1983 1310 20700 1 19830126 12.0 1 19821001 11468000 1984 612 13000 1 19831225 5.60 1 19840912 11468000 1985 266 8380 1 19850208 3.80 4 11468000 1986 680 33000 1 19860217 4.30 6 11468000 1987 208 5000 1 19870213 2.40 5 11468000 1988 266 8850 1 19880104 1.10 2