Frequencies for first 10,000 rows of prov2120 variable in pos2002 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          0 |        888        8.88       97.00
          1 |        127        1.27       98.27
          2 |        160        1.60       99.87
          3 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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