year	population
1790	3.929 
1800	5.308
1810	7.240
1820	9.638
1830	12.866
1840	17.069
1850	23.192
1860	31.443
1870	39.818
1880	50.156
1890	62.948
1900	75.995
1910	91.972
1920	105.711
1930	122.775
1940	131.669
1950	150.697
1960	179.323
1970	203.302
1980	226.542
1990	248.710