Frequencies for first 10,000 rows of prov2120 variable in pos2004 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,766       87.66       87.66
          0 |        934        9.34       97.00
          1 |        126        1.26       98.26
          2 |        161        1.61       99.87
          3 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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