Frequencies for mcaid variable in person dataset :

      mcaid |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8       33.33       33.33
          1 |         16       66.67      100.00
------------+-----------------------------------
      Total |         24      100.00

by Jean Roth , jroth@nber.org , 2 May 2016