16516000 1915 25.1 585 1 19150427 4.00 7 16516000 1916 52.5 894 1 19160118 4.30 6 16516000 1922 48.7 928 1 19211213 2.30 2 16516000 1923 27.3 716 1 19230114 3.10 4 16516000 1924 28.5 656 1 19240213 2.90 2 16516000 1925 32.6 481 1 19250327 3.90 1 19250316 16516000 1926 13.5 286 1 19260121 2.90 1 19260411 16516000 1927 22.9 882 1 19270103 3.60 2 16516000 1928 26.9 356 1 19280726 3.60 2 16516000 1929 27.7 537 1 19290217 3.20 2 16516000 1930 41.2 526 1 19300130 3.10 1 19300220 16516000 1931 28.5 676 1 19310721 2.80 3 16516000 1932 41.8 702 1 19320227 3.70 2 16516000 1933 19.0 928 1 19330307 1.50 2 16516000 1934 31.9 1010 2 1.20 11 16516000 1937 51.9 775 1 19361229 2.90 1 19361021 16516000 1938 42.3 1280 1 19380407 3.00 1 19380930 16516000 1939 26.1 784 1 19390227 2.80 3 16516000 1940 17.9 975 1 19400825 1.50 1 19400321 16516000 1941 22.7 651 1 19410630 2.40 8 16516000 1942 44.0 1160 1 19420309 2.60 4 16516000 1943 19.9 511 1 19421214 2.60 4 16516000 1944 12.0 241 1 19440307 1.60 2 16516000 1945 18.5 424 1 19450408 2.10 7 16516000 1946 26.6 910 1 19460217 2.10 1 19460912 16516000 1947 30.1 1250 1 19461221 2.00 3 16516000 1948 33.2 1700 1 19480126 2.80 1 19480922 16516000 1949 19.1 340 1 19481224 1.50 2 16516000 1950 23.5 543 1 19500428 1.30 2 16516000 1951 21.3 433 1 19501125 2.00 6 16516000 1952 17.8 322 1 19511211 1.30 1 19511018 16516000 1953 13.6 271 1 19530504 1.20 3 16516000 1954 17.8 299 1 19540105 1.10 2 16516000 1955 27.5 541 1 19541210 1.90 4 16516000 1956 25.9 851 1 19560225 1.70 1 19551216 16516000 1957 19.1 390 1 19570824 1.70 1 19570614