Frequencies for first 10,000 rows of prov2505 variable in pos2002 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,241       82.41       82.41
          0 |        423        4.23       86.64
          1 |        413        4.13       90.77
          2 |        885        8.85       99.62
          3 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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