Frequencies for rets_vbx variable in fmli132 dataset :

   rets_vbx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,569       97.15       97.15
          B |        142        2.10       99.25
          D |         51        0.75      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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