Frequencies for first 10,000 rows of prov2120 variable in pos1997 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,792       87.92       87.92
          0 |        860        8.60       96.52
          1 |        140        1.40       97.92
          2 |        189        1.89       99.81
          3 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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