Year	Number
1880	23640.0
1881	28507.0
1882	32206.0
1883	33101.0
1884	33052.0
1885	32587.0
1886	33789.0
1887	38118.0
1888	39609.0
1889	44420.0
1890	49499.0
1891	52528.0
1892	52528.0
1893	54425.0
1894	47031.0
1895	52200.0
1896	52284.0
1897	45380.0
1898	49028.0
1899	52097.0
1900	52822.0
1901	55869.0
1902	60051.0
1903	63792.0
1904	61141.0
1905	65026.0
1906	71085.0
1907	74499.0
1908	66633.0
1909	68093.0
1910	76345.0
1911	80011.0
1912	81474.0
1913	85535.0
1914	90667.0
1915	85853.0
1916	108028.
1917	123575.
1918	99007.0
1919	110267.
1920	177632.