| 1850 | 400 |
| 1855 | 2400 |
| 1860 | 5600 |
| May 1864 | 8700 |
| 1865 | 9500 |
| 1867 | 14000 |
| 1870 | 24000 |
| May 1871 | 25036 |
| 1872 | 35000 |
| 1874 | 48000 |
| 1876 | 62000 |
| 1878 | 79000 |
| 1880 | 100000 |
| Feb 1881 | 106640 |
| 1882 | 122000 |
| 1884 | 146000 |
| 1885 | 152172 |
| 1886 | 170000 |
| 1888 | 194000 |
| May 1888 | 197979 |
| 1890 | 221000 |
| 1892 | 250000 |
| 1893 | 281410 |
| 1894 | 284000 |
| 1896 | 298000 |
| 1898 | 310000 |
| 1900 | 322000 |
| 1902 | 334000 |
| 1904 | 345000 |
| 1905 | 350000 |
| 1906 | 355000 |
| 1908 | 365000 |
| 1910 | 375000 |
| 1912 | 385000 |
| 1915 | 400000 |
| 1920 | 425000 |
| 1925 | 449000 |
| 1930 | 469000 |
| 1935 | 483000 |
| 1940 | 493000 |
| 1945 | 496000 |
| 1950 | 499000 |
| 1951 | 500000 |
| 1955 | 506000 |