Unadjusted Figures Were Multiplied By Four To Derive Totals At Annual Rates. Source: Data For 1939-1945: "National Income", 1954 Edition, A Supplement To Survey Of Current Business; Data For 1946-1967: Survey Of Current Business, July 1968 And Subsequent July Issues For Annual Revisions; Scb Monthly Issues Were The Source For Quarterly Figures.
This NBER data series q06088 appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.
NBER Indicator: q06088
Release: NBER Macrohistory Database
National Bureau of Economic Research, Personal Consumption Expenditures, Services for United States [Q06088USQ027NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q06088USQ027NNBR/, August 29, 2015.