Frequencies for stdntyrb variable in fmli132 dataset :

   stdntyrb |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,730       99.53       99.53
          3 |          4        0.06       99.59
          4 |          9        0.13       99.72
          5 |         12        0.18       99.90
          6 |          7        0.10      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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