Frequencies for porch variable in fmli132 dataset :

      porch |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,100       31.06       31.06
         03 |      4,662       68.94      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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