Frequencies for porch variable in fmli011 dataset :

      porch |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,775       35.98       35.98
         03 |      4,937       64.02      100.00
------------+-----------------------------------
      Total |      7,712      100.00

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