Year	Cents
1865	3.64200
1866	3.45900
1867	3.17500
1868	3.15100
1869	3.02600
1870	2.42300
1871	2.50900
1872	2.32400
1873	2.18800
1874	2.16000
1875	1.97900
1876	1.87700
1877	1.66400
1878	1.47600
1879	1.27900
1880	1.38900
1881	1.40500
1882	1.36400
1883	1.31000
1884	1.22000
1885	1.15800
1886	1.11100
1887	1.01400
1888	0.934000
1889	1.07000
1890	0.958000