Frequencies for first 10,000 rows of alchl_drug_srvc_cd variable in pos2012 dat

   Services |
  Provided: |
    Alcohol |
and/or Drug |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |      1,150       11.50       97.56
          1 |        163        1.63       99.19
          2 |         44        0.44       99.63
          3 |         37        0.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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