Frequencies for netr_ntx variable in fmli132 dataset :

   netr_ntx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,546       96.81       96.81
          C |         42        0.62       97.43
          D |        168        2.48       99.91
          T |          6        0.09      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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