Frequencies for first 10,000 rows of prov2505 variable in pos1995 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,609       86.09       86.09
          0 |        367        3.67       89.76
          1 |        290        2.90       92.66
          2 |        696        6.96       99.62
          3 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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