0.9709% 1960 2.452316 0.407778 1.6442% 1959 1.375577 0.726968 2.3579% 1958 1.993336 0.501672 2.0623% 1957 0.309573 3.230261 3.5571% 1956 3.902600 0.256239 3.3098% 1955 0.184529 5.419200 3.4226% 1954 2.768509 0.361205 1.5421% 1953 3.500009 0.285714 1.5703% 1952 0.937500 1.066666 1.5948% 1951 0.717142 1.394425 5.0183% 1950 0.090033 11.107093 1.7034% 1949 0.936266 1.068072 -0.4250% 1948 0.092458 10.815663 6.7886% 1947 2.728513 0.366500 13.9149% 1946 0.540406 1.850460 22.7896% 1945 0.081454 12.276837 3.2661% 1944 1.961633 0.509779 1.3234% 1943 1.135361 0.880777 2.7232%
polystyrene