Frequencies for first 10,000 rows of dfeduc variable in natl1991 dataset :

  Education |
  of Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          5        0.05        0.05
          3 |          5        0.05        0.10
          5 |          4        0.04        0.14
          6 |         17        0.17        0.31
          7 |         41        0.41        0.72
          8 |        130        1.30        2.02
          9 |        243        2.43        4.45
         10 |        382        3.82        8.27
         11 |        439        4.39       12.66
         12 |      2,604       26.04       38.70
         13 |        425        4.25       42.95
         14 |        747        7.47       50.42
         15 |        233        2.33       52.75
         16 |        967        9.67       62.42
         17 |        613        6.13       68.55
         99 |      3,145       31.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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