1863 15 468,513 164,500 1866 16 918,857 478,176 1869 21 1 , 519 , 149 992,715 1872 30 4 , 056 , 592 1 , 857 , 249 1875 34 5 , 912 , 813 2 , 692 , 370 1876 38 7 , 138 , 153 2 , 850 , 840 1877 34 6 , 301 , 103 2 , 393,