Frequencies for first 10,000 rows of scl_srvc_cd variable in pos1992 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          0 |        135        1.35       89.47
          1 |        802        8.02       97.49
          2 |        203        2.03       99.52
          3 |         48        0.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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