Frequencies for lmps_mbx variable in fmli132 dataset :

   lmps_mbx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,750       99.82       99.82
          B |          6        0.09       99.91
          D |          6        0.09      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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