10205030 1964 11.1 88.0 1 19640527 4.00 4 10205030 1965 20.7 137 1 19650607 5.30 25 10205030 1966 10.6 34.0 1 19660510 6.20 9 10205030 1967 11.1 72.0 1 19670526 4.40 11 10205030 1968 19.1 147 1 19680603 4.60 9 10205030 1969 21.0 145 1 19690514 5.80 4 10205030 1970 22.1 184 1 19700520 4.00 1 19691119 10205030 1971 17.8 98.0 1 19710516 5.00 37 10205030 1972 9.94 29.0 2 5.80 1 19711218 10205030 1973 23.5 281 1 19730522 4.80 6 10205030 1974 25.7 356 1 19740516 8.20 3 10205030 1975 20.3 261 1 19750608 4.10 2 10205030 1976 10.7 91.0 1 19760517 5.30 3 10205030 1977 4.58 8.80 1 19770411 2.10 1 19770129 10205030 1978 18.8 205 1 19780529 2.80 1 19771216 10205030 1979 22.4 298 1 19790528 5.30 1 19790404 10205030 1980 28.1 208 1 19800521 5.40 2 10205030 1981 13.9 59.0 1 19810502 3.90 8 10205030 1982 19.7 107 2 3.00 1 19820206 10205030 1983 37.5 434 1 19830528 1.50 1 19821230 10205030 1984 53.0 431 1 19840521 8.80 1 19840307 10205030 1985 25.8 113 1 19850505 9.00 1 19850202 10205030 1986 24.0 135 1 19860528 7.80 2 10205030 1987 16.0 84.0 2 3.00 1 19870121 10205030 1988 14.6 90.0 1 19880518 3.50 1 19880120