Frequencies for first 10,000 rows of mdcl_scl_srvc_cd variable in pos2016 dataset :

  Services: |
    Medical |
Social Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,241       82.41       82.41
          0 |        300        3.00       85.41
          1 |      1,236       12.36       97.77
          2 |        160        1.60       99.37
          3 |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017