15216000 1948 274 1940 1 19471001 23.0 23 15216000 1949 247 5000 1 19490925 27.0 11 15216000 1950 263 2000 1 19491013 18.0 5 15216000 1951 231 3160 1 19510904 25.0 31 15216000 1952 245 2440 1 19520730 17.0 15 15216000 1953 300 2060 1 19521004 28.0 15 15216000 1954 233 2470 1 19540802 24.0 22 15216000 1955 246 2150 1 19541031 22.0 5 15216000 1956 220 1640 1 19560731 16.0 31 15216000 1957 260 2540 1 19570913 19.0 4 15216000 1958 321 3340 1 19580727 33.0 1 19580330 15216000 1959 219 2260 1 19590717 20.0 3 15216000 1960 264 1700 1 19591023 28.0 2 15216000 1961 259 1050 1 19610822 34.0 1 19610316 15216000 1962 205 952 1 19611002 35.0 1 19620411 15216000 1963 250 980 1 19630724 50.0 1 19630406 15216000 1964 223 1190 1 19640701 34.0 1 19640326 15216000 1965 236 1360 1 19650907 33.0 4 15216000 1966 235 2360 1 19660912 18.0 6 15216000 1967 265 2000 1 19670917 32.0 7 15216000 1968 228 1110 1 19680928 40.0 1 19680204 15216000 1969 181 1000 1 19690331 20.0 8 15216000 1970 288 1680 1 19700822 32.0 5 15216000 1971 236 1620 1 19710801 25.0 10 15216000 1972 211 2140 1 19720912 15.0 38 15216000 1973 195 1170 1 19721017 18.0 7 15216000 1974 180 1530 1 19740920 18.0 22 15216000 1975 263 2920 1 19750911 20.0 8 15216000 1976 292 1780 1 19760915 18.0 18 15216000 1977 336 1830 1 19770911 28.0 1 19770330 15216000 1978 210 1350 1 19780913 25.0 3 15216000 1979 264 1680 1 19790816 23.0 2 15216000 1980 284 2470 1 19791005 25.0 9 15216000 1981 376 3610 1 19810807 34.0 2 15216000 1982 246 2470 1 19811013 23.0 4 15216000 1983 223 1290 1 19830808 40.0 12 15216000 1984 214 1890 1 19831011 42.0 1 19840126 15216000 1985 235 1900 1 19850812 24.0 4 15216000 1986 201 1320 1 19860827 22.0 2 15216000 1987 317 3480 1 19870907 31.0 2 15216000 1988 379 3000 1 19871019 46.0 8