Frequencies for first 10,000 rows of alchl_drug_srvc_cd variable in pos2014 dat

  Services: |
    Alcohol |
and/or Drug |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,592       85.92       85.92
          0 |      1,152       11.52       97.44
          1 |        172        1.72       99.16
          2 |         41        0.41       99.57
          3 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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