Frequencies for pens_onx variable in fmli011 dataset :

   pens_onx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,656       86.31       86.31
          B |         22        0.29       86.59
          C |        256        3.32       89.91
          D |        752        9.75       99.66
          T |         26        0.34      100.00
------------+-----------------------------------
      Total |      7,712      100.00

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