Frequencies for first 10,000 rows of dfeduc variable in natl1982 dataset :

  Education |
  of Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.02        0.02
          3 |          6        0.06        0.08
          4 |          5        0.05        0.13
          5 |         14        0.14        0.27
          6 |         43        0.43        0.70
          7 |         92        0.92        1.62
          8 |        183        1.83        3.45
          9 |        305        3.05        6.50
         10 |        485        4.85       11.35
         11 |        530        5.30       16.65
         12 |      3,114       31.14       47.79
         13 |        391        3.91       51.70
         14 |        706        7.06       58.76
         15 |        272        2.72       61.48
         16 |        847        8.47       69.95
         17 |        556        5.56       75.51
         99 |      2,449       24.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016