Data Include All Two-Digit Manufacturing Industries Listed In The Quarterly Financial Report For Manufacturing Companies. Source: G.H. Moore, Business Cycle Indicators, Vol. 2, NBER, P. 163
This NBER data series q16090 appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.
NBER Indicator: q16090
Release: NBER Macrohistory Database
National Bureau of Economic Research, Diffusion Index, Profits Per Dollar of Sales, Twenty-Two Manufacturing Industries, Four Quarter Span for United States [Q16090USQ509SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q16090USQ509SNBR/, August 2, 2015.