Frequencies for cntralac variable in fmli011 dataset :

   cntralac |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,693       47.89       47.89
         05 |      4,019       52.11      100.00
------------+-----------------------------------
      Total |      7,712      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016