Frequencies for first 10,000 rows of spch_pthlgy_srvc_cd variable in pos1992 dataset :

srv: speech |
  pathology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,614       86.14       86.14
          0 |        407        4.07       90.21
          1 |        289        2.89       93.10
          2 |        645        6.45       99.55
          3 |         45        0.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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