are allowed, by human hands.

0.407047 2.456718 3.8998% 1982 12.821104 0.077996 6.3831% 1981 11.324964 0.088301 9.6843% 1980 11.580988 0.086348 9.0330% 1979 5.535222 0.180661 8.8650% 1978 0.529786 1.887556 7.2813% 1977 8.972819 0.111448 6.6558% 1976 2.436249 0.410467 6.4073% 1975 8.013451 0.124790 9.8159% 1974 0.687016 1.455571 9.0909% 1973 6.780979 0.147471 6.4509% 1972 0.328083 3.048007 4.7304% 1971 3.041167 0.328821 5.7132% 1970 0.369072 2.709500 5.5272% 1969 5.452265 0.183410 5.5714% 1968 4.435325 0.225463 5.0148% 1967 4.786383 0.208926 2.5719% 1966 5.147032 0.194287 3.5485% 1965 0.167552 5.968299 2.7360% 1964 4.218151 0.237071 1.5423% 1963 1.270603 0.787028 1.5697% 1962 2.531644 0.395000 2.2421% 1961 0.742854 1.346159 0.9709% 1960 4.233003 0.236239 1.6442% 1959 0.614149 1.628270 2.3579% 1958 0.141564 7.063959 2.0623% 1957 0.898132 1.113422 3.5571% 1956 0.669049 1.494660

geometrically