Frequencies for first 10,000 rows of dntl_srvc_cd variable in pos1992 dataset :

srv: dental |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,851       88.51       88.51
          0 |        790        7.90       96.41
          1 |        157        1.57       97.98
          2 |        182        1.82       99.80
          3 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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