16508000 1923 18.3 186 9 3.40 1 19221001 16508000 1924 19.4 404 1 19231218 2.90 2 16508000 1925 21.8 811 1 19241121 2.90 4 16508000 1926 7.59 128 1 19260121 2.20 11 16508000 1927 14.5 268 1 19261114 2.80 3 16508000 1928 18.8 196 1 19271208 3.10 1 19280323 16508000 1929 19.8 295 1 19290217 3.10 1 19290714 16508000 1930 31.3 438 1 19300130 2.80 7 16508000 1931 16.9 506 1 19301118 3.70 7 16508000 1932 28.6 370 2 3.60 1 19320930 16508000 1933 12.4 497 1 19330307 2.30 5 16508000 1934 18.8 990 1 19340425 1.60 1 19331223 16508000 1935 23.6 937 1 19350225 3.40 3 16508000 1936 15.2 156 1 19360406 1.90 12 16508000 1937 42.1 656 1 19361229 4.20 2 16508000 1938 29.2 588 1 19380407 3.60 1 19380930 16508000 1939 26.6 806 1 19390227 3.40 4 16508000 1940 13.8 439 1 19400825 2.20 5 16508000 1941 17.3 356 2 2.60 6 16508000 1942 40.7 1080 1 19420309 2.50 1 19420213 16508000 1943 16.3 435 1 19421214 2.30 3 16508000 1944 9.92 206 1 19431228 1.90 12 16508000 1945 15.0 371 1 19450408 2.00 8 16508000 1946 22.6 651 1 19460117 2.60 8 16508000 1947 26.3 985 1 19461220 2.50 2 16508000 1948 36.7 1610 1 19480125 3.20 2 16508000 1949 22.0 495 1 19481224 2.70 1 19490930 16508000 1950 25.5 537 1 19500428 2.50 4 16508000 1951 21.7 350 1 19501125 2.60 3 16508000 1952 21.2 359 1 19511211 2.50 3 16508000 1953 14.6 285 1 19530504 2.10 3 16508000 1954 18.4 269 1 19540105 1.90 1 19531009 16508000 1955 32.6 743 1 19541210 2.30 1 19541127 16508000 1956 30.3 956 1 19560225 2.50 1 19551216 16508000 1957 22.1 467 1 19570824 2.70 4 16508000 1958 28.3 653 1 19571122 3.00 2 16508000 1959 26.9 616 1 19590221 2.70 2 16508000 1960 28.7 947 1 19600212 2.10 4 16508000 1961 21.6 927 1 19610402 2.10 5 16508000 1962 17.5 402 1 19620312 1.80 1 19620224 16508000 1963 17.4 394 1 19630514 1.60 5 16508000 1964 22.3 376 1 19640308 3.10 3 16508000 1965 24.1 476 2 2.20 5 16508000 1966 17.6 367 1 19660121 1.70 4 16508000 1967 25.9 478 1 19670808 2.50 6 16508000 1968 27.0 574 1 19680316 2.00 3 16508000 1969 52.6 1150 1 19690201 2.20 3 16508000 1970 23.3 691 1 19691228 2.50 1 19691128 16508000 1971 31.9 768 1 19710128 1.90 4 16508000 1972 13.6 316 1 19720409 2.00 4 16508000 1973 17.1 431 1 19730311 1.70 3 16508000 1974 22.4 1100 1 19731112 1.60 5 16508000 1975 19.2 433 1 19741121 1.30 1 19741017 16508000 1976 16.8 711 1 19760116 2.20 1 19760925 16508000 1977 17.7 375 1 19770404 1.40 5 16508000 1978 12.6 234 1 19780316 2.10 8 16508000 1979 28.7 642 1 19790113 2.30 3 16508000 1980 50.9 963 1 19800108 2.10 1 19791014 16508000 1981 8.91 599 1 19810430 1.60 10 16508000 1982 48.5 1170 1 19820331 2.70 1 19811022 16508000 1983 14.7 582 1 19821218 1.50 1 19830311 16508000 1984 13.2 156 1 19840414 1.60 3 16508000 1985 25.1 549 1 19850306 0.90 1 19841031 16508000 1986 30.5 1050 1 19860410 1.60 7 16508000 1987 32.4 587 1 19870506 2.40 6 16508000 1988 26.4 781 1 19880927 2.00 3