Beginning In July 1949, About 1000 Producers Ans Consumers Of Small Quantities Of Fats And Oils Ceased Filing Monthly Reports And Report Annually Instead. The Number Of Such Firms Has Increased To Approximately 1500 By 1954. For Data Affected By More Than 1% By This Change The Monthly Figures Are Adjusted To An Estimated 100% On The Basis Of Records Of Past Operations Of The Non-Reporting Firms. The Monthly Figures Are Then Adjusted On The Basis Of The Annual Reports In The Annual Issues Of "Animal And Vegetable Fats And Oils "(See Introduction To Each Issue Since 1949). Source: U.S. Bureau Of The Census
This NBER data series m01219 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01219
Release: NBER Macrohistory Database
National Bureau of Economic Research, Shortening (Lard Compounds and Other Lard Substitutes) Production for United States [M01219USM149NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M01219USM149NNBR/, August 28, 2015.