a rudimentary method of levying duties of a

15.556212 0.064283 3.8744% 1988 3.047708 0.328115 3.3218% 1987 9.030860 0.110731 3.1640% 1986 14.590385 0.068538 2.6144% 1985 0.752367 1.329139 2.9715% 1984 14.753845 0.067779 3.6576% 1983 4.402485 0.227144 3.8998% 1982 0.515541 1.939709 6.3831% 1981 6.619686 0.151065 9.6843% 1980 2.645046 0.378065 9.0330% 1979 1.587895 0.629765 8.8650% 1978 0.573016 1.745152 7.2813% 1977 0.243768 4.102266 6.6558% 1976 0.278072 3.596184 6.4073% 1975 4.061776 0.246198 9.8159% 1974 8.999790 0.111114 9.0909% 1973 4.304469 0.232317 6.4509% 1972 1.168331 0.855922 4.7304% 1971 1.057132 0.945956 5.7132% 1970 3.230814 0.309520 5.5272% 1969 5.853043 0.170851 5.5714% 1968 1.341627 0.745364 5.0148% 1967 2.699247 0.370474 2.5719% 1966 0.520056 1.922869 3.5485% 1965 0.132419 7.551805 2.7360% 1964 0.707527 1.413374 1.5423% 1963 0.112844 8.861767 1.5697% 1962 1.812462 0.551736 2.2421% 1961 4.274100 0.233967 0.9709% 1960 1.592751 0.627845 1.6442% 1959 4.053152 0.246722 2.3579% 1958 0.848579 1.178441 2.0623% 1957 2.049273 0.487978 3.5571% 1956 1.836612 0.544481 3.3098% 1955 1.230768 0.812501 3.4226% 1954 1.765135 0.566529 1.5421% 1953 0.838199 1.193035 1.5703% 1952 0.159945 6.252163 1.5948% 1951 0.372954 2.681297 5.0183% 1950 3.274100 0.305427 1.7034% 1949 3.219263 0.310630 -0.4250% 1948 2.052264 0.487267 6.7886% 1947 2.762418 0.362002 13.9149% 1946 0.117006 8.546567 22.7896% 1945 2.025702 0.493656

coequal