Frequencies for first 10,000 rows of prov2485 variable in pos1999 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,817       88.17       88.17
          0 |        112        1.12       89.29
          1 |        811        8.11       97.40
          2 |        194        1.94       99.34
          3 |         66        0.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016