1931 1.585365 0.630769 -8.4517% 1930 0.467104 2.140853 -7.1894% 1920 1.254095 0.797388 -13.0688% 1919 1.181250 0.846561 15.7925% 1918 2.053992 0.486857 14.2845% 1917 0.910978 1.097722 16.6637% 1916 0.050239 19.904772 20.0069% 1915 1.217957 0.821047 9.1939% 1914 1.000000 1.000000 0.0000% 1879 0.615407 1.624941 5.2689% 1878 0.027527 36.327392 -3.7992% 1877 0.537414 1.860761 -3.6586% 1881 1.037976 0.963414 2.4963% 1880 0.044610 22.416480 5.2689% 1878 1.013254 0.986919 -3.7992% 1877 1.053270 0.949424 -5.9492% 1876 0.308811 3.238225 1.1977% 1911 1.152749 0.867491 2.4765% 1910 1.079897 0.926015 0.0000% 1909 0.642811 1.555668 3.8464% 1908 0.144438 6.923363 -2.5073% 1906 1.095952 0.912448
ascertain