States in 1820 was twelve cents; in 1830 fifty-four cents; in 1840 eighty-two cents; in 1850 $1.87; in 1860 $4.75; in 1870 $14.26; in 1880 $16.33; in 1890 $24.75; in 1900 $31.78; in 1910 $45.05; and it is still increasing.