Frequencies for first 10,000 rows of prov2505 variable in pos1998 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,305       83.05       83.05
          0 |        379        3.79       86.84
          1 |        386        3.86       90.70
          2 |        895        8.95       99.65
          3 |         35        0.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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