Frequencies for first 10,000 rows of prov2405 variable in pos1991 dataset :

       srv: |
   podiatry |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,084       70.84       70.84
          0 |        638        6.38       77.22
          1 |        809        8.09       85.31
          2 |         78        0.78       86.09
          3 |        126        1.26       87.35
          4 |         21        0.21       87.56
          5 |      1,104       11.04       98.60
          6 |          8        0.08       98.68
          7 |        132        1.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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