Prepared Roofing Shipments for United States (M0231AUSM595NNBR)

Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Roof Squares, Not Seasonally Adjusted

Frequency:  Monthly

Series Has Been Subdivided Into 3 Variables: (1) V855 -- Original Data, 1919-1928; (2) V856 -- Original Data, 1928-1934; (3) V857 -- Original Data, 1932-1943. 1919-28: Prorated To 100% Of Industry From 60-90%; 1928-34: Data Cover 40 Identical Manufacturers Comprising Practically Entire Industry; 1932-43: Coverage Varied From 23 To 32 Companies (85-95% Of Industry). Source: 1919-28: "Survey Of Current Business", Sept. 1923, P. 55 And Later Issues; 1928-43: Bureau Of The Census Releases On Asphalt Prepared Roofing Except 1932 Of Third Segment Which Is From "Survey Of Current Business, 1936 Supplement"

This NBER data series m02131a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02131a