it is extremely difficult for one

0.0000% 1887 1.103005 0.906614 -5.0576% 1882 0.305012 3.278558 -3.6586% 1881 0.594209 1.682908 2.4963% 1880 1.081099 0.924985 5.2689% 1905 0.060316 16.579242 -3.7981% 1877 0.062698 15.949472 -5.9492% 1876 0.029254 34.182887 -1.1800% 1875 0.064865 15.416543 1.1940% 1912 1.119895 0.892941 1.1977% 1911 0.988165 1.011977 2.4765% 1910 1.025280 0.975343 3.8464% 1908 0.962961 1.038464 0.0000% 1907 0.604642 1.653872 -2.5073% 1906 0.308885 3.237456 5.2689% 1878 0.520549 1.921049 -3.7992% 1877 0.033475 29.873058 -3.6586% 1881 0.964705 1.036586 2.4963% 1880 0.030137 33.181860 0.0000% 1879 1.142924 0.874949 0.0000% 1879 0.987726 1.012426 5.2689% 1878 0.234559 4.263313 2.6987% 1904 0.493343 2.026987 1.3740% 1885 0.486657 2.054837 -2.6744% 1888 0.581443 1.719858 1.3553% 1886 0.285714 3.500009 -1.3372% 1883 0.040214 24.866766 1.3553% 1886 0.239485 4.175631 1.3740% 1902 0.986447 1.013740 0.0000% 1889 0.277561 3.602813 -2.6744% 1888 1.027479 0.973256 1.3553% 1886 0.281374 3.553983 0.0000% 1903 0.044631 22.406089 1.3740% 1885 0.055707 17.951152 2.8128% 1901 0.243991 4.098509 1.4328% 1900 1.000000 1.000000 16.6611% 1898 0.135138 7.399832 -10.4416% 1897 0.930459

earthier