Frequencies for first 10,000 rows of alcuse variable in linkco1991us_num dataset :

Alcohol use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,366       43.66       43.66
          1 |      5,634       56.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015