Frequencies for first 10,000 rows of prov2120 variable in pos1993 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,856       88.56       88.56
          0 |        782        7.82       96.38
          1 |        153        1.53       97.91
          2 |        189        1.89       99.80
          3 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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