Frequencies for first 10,000 rows of scl_srvc_cd variable in pos1996 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,746       87.46       87.46
          0 |        120        1.20       88.66
          1 |        858        8.58       97.24
          2 |        209        2.09       99.33
          3 |         67        0.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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