Frequencies for first 10,000 rows of dntl_srvc_cd variable in pos1994 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,940       89.40       89.40
          0 |        746        7.46       96.86
          1 |        136        1.36       98.22
          2 |        159        1.59       99.81
          3 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017