Frequencies for first 10,000 rows of mentlhlt variable in nhamcsopd2004 dataset :

     mental |
health/stre |
         ss |
 management |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,375       93.75       93.75
        yes |        625        6.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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