02220550 1961 21.4 884 1 19610225 1.30 2 02220550 1962 17.2 426 1 19620106 0.90 1 19611015 02220550 1963 19.2 617 1 19630120 2.40 1 19630912 02220550 1964 28.7 1160 1 19640315 3.50 1 19631022 02220550 1965 20.0 1180 1 19641226 2.70 1 19650824 02220550 1966 16.5 437 1 19660213 2.20 3 02220550 1967 16.0 539 1 19670310 3.10 3 02220550 1968 10.6 191 1 19680110 1.10 1 19680829 02220550 1969 9.40 208 1 19690823 1.00 1 19690731 02220550 1970 8.23 350 1 19700321 1.20 8 02220550 1971 22.7 1300 1 19710302 0.76 3 02220550 1972 14.1 524 1 19720113 0.82 2 02220550 1973 23.9 858 1 19730202 1.00 2 02220550 1974 11.6 307 1 19740405 1.20 4 02220550 1975 24.4 764 1 19750403 1.80 4 02220550 1976 14.0 609 1 19760316 1.20 1 19760926 02220550 1977 13.2 503 1 19761212 1.30 3 02220550 1978 10.7 565 1 19780125 0.18 3 02220550 1979 12.2 617 1 19790224 0.13 3 02220550 1980 11.3 320 1 19800308 0.10 2 02220550 1981 9.14 975 1 19810211 0.010 1 19810930 02220550 1982 9.37 302 1 19811231 0.000 9 02220550 1983 13.7 900 1 19830306 0.050 1 19821007 02220550 1984 14.6 373 1 19840504 0.17 2 02220550 1985 5.10 327 1 19850205 0.000 23