Year 1920-29 = 100 (See Below) 1830 0.710000 1831 1.02000 1832 1.63000 1833 1.97000 1834 2.10000 1835 2.61000 1836 4.45000 1837 2.27000 1838 1.82000 1839 1.70000 1840 1.28000 1841 1.35000 1842 1.01000 1843 0.800000 1844 0.990000 1845 1.41000 1846 2.08000 1847 2.96000 1848 2.71000 1849 3.01000 1850 4.04000 1851 4.35000 1852 5.28000 1853 5.96000 1854 6.07000 1855 5.94000 1856 6.46000 1857 6.70000 1858 3.95000 1859 4.61000 1860 5.29000 1861 3.68000 1862 3.34000 1863 5.34000 1864 3.91000 1865 6.10000 1866 8.92000 1867 10.5500 1868 13.2500 1869 14.8800 1870 13.7900 1871 15.4100 1872 12.3000 1873 11.9700 1874 6.42000 1875 6.22000 1876 5.12000 1877 4.55000 1878 3.90000 1879 4.53000 1880 5.64000 1881 7.33000 1882 8.99000 1883 10.1300 1884 9.97000 1885 11.6000 1886 13.2400 1887 14.4000 1888 13.8300 1889 17.0600 1890 18.1100 1891 15.7500 1892 17.0200 1893 12.8700 1894 11.5600 1895 15.2600 1896 12.6400 1897 13.5700 1898 11.9300 1899 14.8900 1900 11.6900 1901 17.7200 1902 17.9900 1903 18.2900 1904 22.0900 1905 29.6600 1906 31.9200 1907 29.6300 1908 26.4300 1909 35.6800 1910 33.9700 1911 32.7900 1912 35.3700 1913 32.1200 1914 28.8100 1915 30.2600 1916 37.5600 1917 24.1000 1918 14.7400 1919 44.8400 1920 48.9300 1921 60.8100 1922 92.4900 1923 113.200 1924 115.500 1925 135.950 1926 128.490 1927 113.360 1928 109.160 1929 97.5500 1930 54.4900 1931 41.5500 1932 15.7700 1933 12.6300