Frequencies for first 10,000 rows of dntl_srvc_cd variable in pos2003 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,789       87.89       87.89
          0 |        915        9.15       97.04
          1 |        123        1.23       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 , 17 May 2017