Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Percentage, Seasonally Adjusted

Frequency:  Monthly

Notes:

These Data Are Also Adjusted For Long-Term Trend. Source: The Annalist, January 16, 1931, P. 162 For Data Through 1918; Thereafter Data Furnished By The E.W. Axe Company.

This NBER data series m12005a appears on the NBER website in Chapter 12 at http://www.nber.org/databases/macrohistory/contents/chapter12.html.

NBER Indicator: m12005a