rowid,State / Territory,1790,1800,1810,1820,1830,1840,1850,1860,1870,1880,1890,1900,1910,1920,1930,1940,1950,1960,1970,1980,1990,2000,2010,2019
43,Pennsylvania,2.4,2.7,2.9,2.9,2.8,2.8,2.3,2.0,1.9,2.0,2.0,2.5,2.5,3.3,4.5,4.7,6.1,7.5,8.6,8.8,9.2,10.0,10.8,12.0