Frequencies for studntb variable in fmli132 dataset :

    studntb |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,743       99.72       99.72
          3 |          2        0.03       99.75
          4 |          7        0.10       99.85
          5 |          7        0.10       99.96
          6 |          3        0.04      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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