Frequencies for first 10,000 rows of mentlhlt variable in nhamcsopd1997 dataset :

     mental |
     health |
 couns/educ |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,630       96.30       96.30
          1 |        370        3.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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