Frequencies for othl_rbx variable in fmli132 dataset :

   othl_rbx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,750       99.82       99.82
          B |          4        0.06       99.88
          D |          8        0.12      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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