1969 2.601331 0.384419 5.5714% 1968 0.560182 1.785135 5.0148% 1967 1.125397 0.888575 2.5719% 1966 5.000090 0.199996 3.5485% 1965 0.804762 1.242604 2.7360% 1964 4.838275 0.206685 1.5423% 1963 4.438526 0.225300 1.5697% 1962 0.718463 1.391860 2.2421% 1961 1.322022 0.756417 0.9709% 1960 0.165675 6.035924 1.6442% 1959 0.274122 3.648011 2.3579% 1958 3.712382 0.269369 2.0623% 1957 0.587877 1.701036 3.5571% 1956 0.473863 2.110314 3.3098% 1955 0.094732 10.556058 3.4226% 1954 3.602813 0.277561 1.5421% 1953 3.700166 0.270258 1.5703% 1952 3.148282 0.317634 1.5948% 1951 2.201684 0.454198 5.0183% 1950 0.600503 1.665271 1.7034% 1949 0.529281 1.889356 -0.4250% 1948 2.913741 0.343201 6.7886% 1947 0.475268 2.104078 13.9149% 1946 0.737665 1.355630 22.7896% 1945 0.319188 3.132948 3.2661% 1944 0.211912 4.718939 -13.0688% 1919 0.110394 9.058439 15.7925% 1918 1.206294 0.828985 14.2845% 1917 0.521566 1.917304 16.6637% 1916 0.904753 1.105274 20.0069% 1915 0.064447 15.516606 9.1939% 1914 0.583894 1.712641 2.3510% 1913 0.225463 4.435325
brittleness