50112500 1965 24.0 463 1 19641017 1.80 3 50112500 1966 14.3 179 1 19660919 2.60 2 50112500 1967 11.1 284 1 19661017 1.00 1 19670605 50112500 1968 20.2 643 1 19680927 2.70 1 19680506 50112500 1969 30.9 509 1 19690520 5.80 7 50112500 1972 19.4 193 1 19711017 3.60 2 50112500 1973 17.3 186 1 19721004 1.40 1 19730530 50112500 1974 9.57 151 1 19731011 1.70 2 50112500 1975 27.2 2500 1 19750916 1.90 3 50112500 1976 14.9 230 1 19751023 2.20 1 19760730 50112500 1977 12.2 190 1 19761016 0.80 1 19770723 50112500 1978 21.5 139 2 1.80 1 19780506 50112500 1979 25.1 516 1 19790831 1.60 1 19790512 50112500 1980 20.8 204 1 19800529 2.50 7 50112500 1981 17.6 204 1 19810523 2.00 2 50112500 1982 17.0 266 1 19820913 2.00 1 19820325 50112500 1983 12.3 126 1 19830421 1.40 1 19830307 50112500 1984 15.2 129 1 19840920 2.10 3 50112500 1985 24.2 633 1 19850518 1.70 1 19850409 50112500 1986 25.0 1840 1 19851007 2.40 2 50112500 1987 15.2 114 1 19861028 2.80 3 50112500 1988 21.7 351 1 19871127 2.50 1 19880601