Frequencies for first 10,000 rows of prov2485 variable in pos1991 dataset :

srv: social |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,735       87.35       87.35
          0 |        156        1.56       88.91
          1 |        832        8.32       97.23
          2 |        239        2.39       99.62
          3 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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