0.073811 2.6144% 1985 1.410938 0.708748 2.9715% 1984 4.095090 0.244195 3.6576% 1983 8.516339 0.117421 3.8998% 1982 3.086387 0.324003 6.3831% 1981 0.545118 1.834464 9.6843% 1980 0.516868 1.934730 9.0330% 1979 10.767481 0.092872 8.8650% 1978 9.256825 0.108028 7.2813% 1977 2.851648 0.350674 6.6558% 1976 8.887187 0.112522 6.4073% 1975 4.706239 0.212484 9.8159% 1974 6.666926 0.149994 9.0909% 1973 0.255192 3.918622 6.4509% 1972 3.079437 0.324735 4.7304% 1971 0.443998 2.252262 5.7132% 1970 2.745110 0.364284 5.5272% 1969 0.551253 1.814048 5.5714% 1968 1.478434 0.676391 5.0148% 1967 2.740396 0.364911 2.5719% 1966 2.464751 0.405720 3.5485% 1965 4.224903 0.236692 2.7360% 1964 2.473706 0.404252 1.5423% 1963 2.219263 0.450600 1.5697% 1962 2.798161 0.357378 2.2421% 1961 2.418684 0.413448 0.9709% 1960
dirtiest