US Beer Production — beer.df • s20x

Monthly United States beer production figures (in millions of 31-gallon barrels) for the period July 1970 to June 1978.

Format

A data frame with 96 rows and 4 variables:

beer: Monthly beer production, expressed in megalitres (converted from millions of 31-US-gallon barrels; 1 million 31-gallon barrels is approximately equal to 117.35 megalitres).
t: Integer time index from 1 to 96.
month: Month of observation as a factor with levels Jul, Aug, Sep, Oct, Nov, Dec, Jan, Feb, Mar, Apr, May, Jun.
year: Year of observation as a factor with levels 1970 to 1978.

The original primary source for this monthly beer-production series is not identified in the available package materials.