12330000 1940 28.7 190 1 19400512 5.00 10 12330000 1941 32.2 188 1 19410605 8.20 1 19410811 12330000 1942 56.8 530 1 19420526 9.40 1 19420913 12330000 1943 60.9 466 1 19430620 6.00 2 12330000 1944 49.4 309 1 19440609 12.0 5 12330000 1945 39.1 245 1 19450531 9.30 1 19450914 12330000 1946 34.5 208 1 19460528 5.20 1 19460915 12330000 1947 53.7 383 2 11.0 7 12330000 1948 71.7 642 1 19480604 12.0 3 12330000 1949 48.5 298 1 19490516 6.40 1 19490830 12330000 1950 48.5 429 1 19500618 5.20 1 19500907 12330000 1951 58.2 370 1 19510616 8.00 1 19510130 12330000 1952 43.9 210 1 19520606 9.50 1 19520911 12330000 1953 56.3 627 1 19530613 9.50 2 12330000 1954 35.3 242 1 19540520 4.40 1 19540913 12330000 1955 44.6 296 1 19550616 10.0 32 12330000 1956 43.4 342 1 19560524 6.00 20 12330000 1957 46.0 352 1 19570530 6.00 5 12330000 1958 46.8 385 1 19580521 8.60 1 19580922 12330000 1959 41.8 356 2 8.60 1 19590817 12330000 1960 38.8 278 1 19600604 10.0 6 12330000 1961 29.9 315 1 19610527 6.20 3 12330000 1962 43.1 299 1 19620614 9.80 2 12330000 1963 44.2 266 4 9.00 2 12330000 1964 57.0 557 1 19640609 9.00 1 19631211 12330000 1965 64.8 471 1 19650617 8.00 1 19641216 12330000 1966 34.7 150 1 19660528 5.90 1 19660803 12330000 1967 45.9 345 1 19670606 4.00 1 19670905 12330000 1968 46.5 330 1 19680612 9.50 1 19671002 12330000 1969 45.6 223 1 19690707 11.0 13 12330000 1970 52.0 415 1 19700606 14.0 1 19700105 12330000 1971 42.0 280 1 19710529 8.30 1 19710925 12330000 1972 55.1 486 1 19720602 11.0 1 19720126 12330000 1973 29.0 235 1 19730520 5.10 3 12330000 1974 47.1 486 1 19740616 8.70 2 12330000 1975 76.7 1140 1 19750619 15.0 2 12330000 1976 82.2 430 1 19760525 23.0 1 19760205 12330000 1977 26.7 103 1 19770525 5.90 2 12330000 1978 53.2 390 1 19780609 14.0 4 12330000 1979 43.7 339 2 10.0 8 12330000 1980 53.0 319 1 19800612 8.80 1 19791005 12330000 1981 59.8 1110 1 19810522 12.0 4 12330000 1982 63.0 484 1 19820617 12.0 1 19820205 12330000 1983 52.3 431 1 19830530 16.0 1 19830205 12330000 1984 68.0 828 1 19840621 19.0 3 12330000 1985 32.3 131 1 19850504 11.0 7 12330000 1986 43.3 471 1 19860530 6.00 1 19860809 12330000 1987 26.8 169 1 19870430 4.10 1 19870926 12330000 1988 22.4 194 1 19880524 3.30 7