Frequencies for first 10,000 rows of scl_srvc_cd variable in pos2005 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,596       85.96       85.96
          0 |        142        1.42       87.38
          1 |        904        9.04       96.42
          2 |        246        2.46       98.88
          3 |        112        1.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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