coal, copper, iron ore, coal, diamonds,

2.8137% 1921 0.438269 2.281706 -2.7367% 1929 1.848065 0.541106 0.0000% 1922 2.027613 0.493191 -0.6823% 1927 0.059893 16.696381 0.0000% 1926 0.960775 1.040826 -2.0001% 1925 2.083208 0.480029 0.6731% 1924 0.189561 5.275338 2.0549% 1923 0.069588 14.370191 -0.6823% 1927 2.449937 0.408174 0.0000% 1926 1.986447 0.503411 6.5229% 1941 1.682908 0.594209 6.1527% 1940 0.884354 1.130769 -8.4517% 1930 0.565747 1.767576 -2.7367% 1929 0.059485 16.811081 2.8137% 1921 1.092320 0.915483 -7.1894% 1920 2.095952

lithographers