Frequencies for studntbx variable in fmli132 dataset :

   studntbx |      Freq.     Percent        Cum.
------------+-----------------------------------
       1750 |          2        0.03        0.03
       6250 |          7        0.10        0.13
      22500 |          7        0.10        0.24
      35000 |          3        0.04        0.28
          . |      6,743       99.72      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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