-8.4517% 1930 0.225041 4.443633 -2.7367% 1929 1.196683 0.835643 0.0000% 1928 1.717610 0.582204 -0.6823% 1927 0.389917 2.564646 6.5229% 1941 1.131122 0.884078 6.1527% 1940 1.666731 0.599977 2.3623% 1939 0.466909 2.141746 -1.5482% 1938 0.443289 2.255866 -1.5312% 1937 1.679590 0.595383 3.9669% 1936 0.103878 9.626721 0.0000% 1935 0.992162 1.007900 3.2811% 1934
prefacing