Frequencies for first 10,000 rows of prov2120 variable in pos1996 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,803       88.03       88.03
          0 |        844        8.44       96.47
          1 |        149        1.49       97.96
          2 |        186        1.86       99.82
          3 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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