Frequencies for wind_wac variable in fmli011 dataset :

   wind_wac |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,057       78.54       78.54
          B |          1        0.01       78.55
          D |      1,654       21.45      100.00
------------+-----------------------------------
      Total |      7,712      100.00

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