C1 C2
  Davis IP Index, 1790-1915 (Annual - QJE Final)
  Source: Davis (2004)
  Components: 43 quantity-based annual series
  1849/50 census-year base
Year (1849/50 = 100)
1790 4.29065167451171092
1791 4.49032407627528229
1792 4.88124273658540808
1793 5.44062550399441047
1794 6.01405613154475382
1795 6.57810253030209235
1796 6.69887273372219827
1797 6.37384138376640053
1798 6.21323229154064371
1799 6.61455338274441829
1800 7.27316414835125613
1801 7.74531287968491355
1802 8.210256504436094
1803 7.97739597629831465
1804 8.07724674128265896
1805 8.69844220824695213
1806 9.28259148358164765
1807 9.71798428663771752
1808 8.06293373181696893
1809 9.38882630596244105
1810 10.2578913611828657
1811 11.2988117780732118
1812 11.2524942675521373
1813 12.0627812405271619
1814 13.1721793098508062
1815 13.5842222643951036
1816 12.5950799321195444
1817 13.1188309993931256
1818 13.8381327328989467
1819 14.4122620047089676
1820 14.8341510171168736
1821 15.7920028239314316
1822 17.291447692688692
1823 17.081067714458694
1824 18.5588577966168167
1825 19.8863174598783239
1826 20.5346363138670149
1827 21.0725117530309163
1828 21.3907754693123877
1829 20.1174366329443153
1830 23.8009409104094694
1831 28.0848998240709733
1832 31.5328820044538602
1833 35.1479704966564839
1834 33.5793202417223924
1835 37.5725252991107652
1836 40.2492953672750318
1837 39.6790190390031015
1838 40.6965432024539879
1839 46.0558090582260391
1840 43.881168271157037
1841 46.3487346830068034
1842 47.6555042912362268
1843 53.1027469556347498
1844 59.4516921334043076
1845 65.3578787019456655
1846 75.9265143240512117
1847 87.3661478163951557
1848 94.8868888780407502
1849 98.3304989503907478
1850 102.38502955228148
1851 106.048816276062141
1852 122.8400246582043
1853 139.982356664207686
1854 142.724423130113877
1855 143.443500701550391
1856 149.435303270115725
1857 146.171490770196016
1858 137.541009649693621
1859 156.394125298094934
1860 157.859758513147369
1861 156.473401503467954
1862 167.349364796129152
1863 187.309111468069773
1864 200.609610151749251
1865 190.114989723519074
1866 193.906338196208594
1867 210.050923475352562
1868 220.901367623307294
1869 237.472416004751409
1870 242.968618441659203
1871 255.286712038093867
1872 275.738312576570252
1873 302.166953096350426
1874 300.73243483841577
1875 284.163283429189732
1876 294.004976316404793
1877 297.750854983464251
1878 313.990486970945938
1879 356.373747320662062
1880 400.850498402418737
1881 478.12174286861125
1882 509.458057789835152
1883 523.80280630240577
1884 505.250599585525208
1885 490.721058888337836
1886 550.479300989234275
1887 604.668160663068988
1888 656.724879721107186
1889 675.395424554013402
1890 780.954767935979021
1891 793.050074630376798
1892 852.031054533010661
1893 778.163230061081322
1894 721.98860594539542
1895 846.79418265961408
1896 820.909147926635342
1897 874.530115403892864
1898 1030.26616918966602
1899 1129.73842605363507
1900 1182.1532300649485
1901 1277.05880416956597
1902 1369.34174694926674
1903 1420.33919666804513
1904 1353.15636292496811
1905 1565.64135867639789
1906 1644.91072233779482
1907 1713.25777004905945
1908 1446.45656650367255
1909 1705.52398278498868
1910 1783.93716865535384
1911 1717.90501382755474
1912 1899.08354863133422
1913 1975.00092583726655
1914 1774.12070881638556
1915 1954.1998935488175