Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1957-1959=100, Not Seasonally Adjusted

Frequency:  Quarterly

Annual Figure For 1968 Is Based On Three Months (January- March). Source: 1947-1964, Business Statistics, The Biennial Supplement To The Survey Of Current Business, 1965; 1966 And Following; Survey Of Current Business, Current Issues.

This NBER data series q04194 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: q04194