1.924726 0.519554 3.3098% 1955 1.971047 0.507345 3.4226% 1954 1.718939 0.581754 1.5421% 1953 0.851980 1.173736 1.5703% 1952 0.229936 4.349040 1.5948% 1951 1.818849 0.549798 5.0183% 1950 3.274100 0.305427 1.7034% 1949 0.671436 1.489346 -0.4250% 1948 3.146539 0.317810 6.7886% 1947 2.662573 0.375577 13.9149% 1946 0.608172 1.644273 22.7896% 1945 0.629480 1.588612 3.2661% 1944 0.515154 1.941167 -13.0688% 1919
rifling