1850 18.632 1860 35.441 1870 48.986 1880 71.316 1890 86.224 1900 134.600 1910 185.654 1920 272.475 1930 455.570 1940 646.869 1950 947.500 1960 1430.394 1970 1999.316 1980 2905.344