Frequencies for first 10,000 rows of feduc14 variable in natl1977 dataset :

  Education |
  of Father |
  Recode 14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         74        0.74        0.74
          2 |         70        0.70        1.44
          3 |        152        1.52        2.96
          4 |        254        2.54        5.50
          5 |        429        4.29        9.79
          6 |        612        6.12       15.91
          7 |        604        6.04       21.95
          8 |      3,303       33.03       54.98
          9 |        345        3.45       58.43
         10 |        566        5.66       64.09
         11 |        246        2.46       66.55
         12 |        690        6.90       73.45
         13 |        437        4.37       77.82
         14 |      2,218       22.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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