Frequencies for first 10,000 rows of feduc variable in natl2013 dataset :

   Father's |
  Education |
572=f_feduc |
          R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         63        0.63        0.63
          2 |        668        6.68        7.31
          3 |      3,053       30.53       37.84
          4 |      2,479       24.79       62.63
          5 |        654        6.54       69.17
          6 |      1,243       12.43       81.60
          7 |        394        3.94       85.54
          8 |        178        1.78       87.32
          9 |      1,268       12.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015