16201000 1914 16.8 217 1 19140914 0.31 2 16201000 1915 11.2 193 1 19150426 0.62 15 16201000 1916 13.0 195 1 19160501 0.93 1 19160424 16201000 1917 12.8 156 1 19170414 0.77 10 16201000 1918 11.9 158 1 19180311 0.62 2 16201000 1919 9.76 87.0 1 19190419 0.93 10 16201000 1920 7.37 87.0 1 19200402 0.31 6 16201000 1921 12.8 356 1 19210116 0.93 4 16201000 1922 11.9 184 1 19220911 1.20 6 16201000 1923 13.1 149 1 19221108 1.20 4 16201000 1924 9.72 289 1 19240414 0.46 6 16201000 1927 14.5 277 1 19270306 0.31 6 16201000 1928 13.2 145 1 19280403 0.62 6 16201000 1929 8.08 128 1 19281216 0.62 2 16201000 1930 17.3 429 1 19300731 0.62 4 16201000 1931 9.15 145 1 19310918 0.31 4 16201000 1932 18.6 255 1 19320228 1.20 3 16201000 1935 10.1 459 1 19350227 0.68 1 19350504 16201000 1936 10.8 172 1 19351117 0.37 3 16201000 1937 16.3 234 1 19370318 1.50 3 16201000 1938 12.6 136 1 19371124 1.70 1 19380930 16201000 1939 12.5 215 1 19390408 1.30 1 19381215 16201000 1940 10.3 348 1 19400812 0.25 2 16201000 1941 7.23 227 1 19410906 0.28 13 16201000 1942 12.9 265 1 19420803 0.37 2 16201000 1943 9.48 62.0 1 19430404 1.20 2 16201000 1944 6.76 70.0 2 0.40 3 16201000 1945 6.36 73.0 1 19441123 0.40 2 16201000 1946 6.10 56.0 1 19451031 0.46 2 16201000 1947 9.42 133 1 19461221 0.40 1 19470228 16201000 1948 13.6 195 1 19480816 1.00 1 19471024 16201000 1949 7.54 172 1 19490116 0.46 1 19490610 16201000 1950 10.4 187 1 19500803 0.29 3 16201000 1951 9.42 227 1 19510305 0.45 1 19510715 16201000 1952 11.6 153 1 19511231 1.10 1 19520604