Frequencies for wdbs_dsx variable in fmli011 dataset :

   wdbs_dsx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      7,688       99.69       99.69
          B |          1        0.01       99.70
          C |         19        0.25       99.95
          D |          4        0.05      100.00
------------+-----------------------------------
      Total |      7,712      100.00

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