-1.5312% 1937 1.139185 0.877821 3.9669% 1936 0.092458 10.815676 3.2811% 1934 0.829942 1.204904 8.9328% 1933 1.534237 0.651790 -2.6088% 1932 0.069355 14.418486 -11.5407% 1931 1.645571 0.607692 -8.4517% 1930 0.431612 2.316897 -7.1894% 1920 0.062338 16.041473 -13.0688% 1919 2.514382 0.397712 15.7925% 1918 0.146292 6.835634 14.2845%
polymer