Frequencies for first 10,000 rows of spocther variable in namcs2011 dataset :

Speech/occu |
   pational |
    therapy |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,986       99.86       99.86
        Yes |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016