Frequencies for first 10,000 rows of prov2505 variable in pos2001 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,295       82.95       82.95
          0 |        409        4.09       87.04
          1 |        401        4.01       91.05
          2 |        859        8.59       99.64
          3 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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