Frequencies for first 10,000 rows of scl_srvc_cd variable in pos2007 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,554       85.54       85.54
          0 |        144        1.44       86.98
          1 |        942        9.42       96.40
          2 |        250        2.50       98.90
          3 |        110        1.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017