Frequencies for first 10,000 rows of scl_srvc_cd variable in pos2008 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,526       85.26       85.26
          0 |        154        1.54       86.80
          1 |        957        9.57       96.37
          2 |        249        2.49       98.86
          3 |        114        1.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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