have to use the conversion rate

1940 1.494279 0.669219 -8.4517% 1930 0.120954 8.267598 -7.1894% 1920 0.053287 18.766258 -13.0688% 1919 2.199956 0.454555 15.7925% 1918 1.333285 0.750027 14.2845% 1917 0.886667 1.127820 16.6637% 1916 0.780858 1.280643 20.0069% 1915 0.372535 2.684312 9.1939% 1914 0.046645 21.438519 2.3510% 1913 0.055447 18.035176 1.1940% 1912 0.591523 1.690553

unskillful