Frequencies for first 10,000 rows of spch_pthlgy_srvc_cd variable in pos1996 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,363       83.63       83.63
          0 |        384        3.84       87.47
          1 |        378        3.78       91.25
          2 |        839        8.39       99.64
          3 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017