Frequencies for first 10,000 rows of prov0050 variable in pos1991 dataset :

alcohol/dru |
     g unit |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,902       99.02       99.02
          Y |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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