Frequencies for first 10,000 rows of prov0050 variable in pos1993 dataset :

alcohol/dru |
     g unit |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,904       99.04       99.04
          Y |         96        0.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016