Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Bushels (56 Pounds), Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As Four Variables--(1)--Original Data, 1878-1898 (2)--Original Data, 1893-1917 (3)--Original Data, 1911-1937 (4)--Original Data, 1933-1944. Data Are Converted By NBER To Bushels Fom Original Units Of Metric Tons By Dividing Number Of Metric Tons By 39.368. Data Are For Estimates From Yields Reported By Federal Crop Reporters. Source: Data For 1886-1910: Statistiches Jahrbuch, 1890 And Following Issues. Data For 1911-1917: Vierteljahrshefte, 1926, I, P. 51.

This NBER data series a01018b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01018b