Frequencies for first 10,000 rows of scl_srvc_cd variable in pos2001 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,741       87.41       87.41
          0 |        124        1.24       88.65
          1 |        834        8.34       96.99
          2 |        233        2.33       99.32
          3 |         68        0.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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