Frequencies for first 10,000 rows of prov2505 variable in pos1991 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,650       56.50       56.50
          0 |      1,032       10.32       66.82
          1 |      1,188       11.88       78.70
          2 |        764        7.64       86.34
          3 |        109        1.09       87.43
          4 |         47        0.47       87.90
          5 |      1,094       10.94       98.84
          6 |         12        0.12       98.96
          7 |        104        1.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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