Frequencies for first 10,000 rows of alchl_drug_srvc_cd variable in pos2015 dat

  Services: |
    Alcohol |
and/or Drug |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,580       85.80       85.80
          0 |      1,165       11.65       97.45
          1 |        171        1.71       99.16
          2 |         39        0.39       99.55
          3 |         45        0.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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