Frequencies for first 10,000 rows of meduc6 variable in natl1982 dataset :

  Education |
  of Mother |
   Recode 6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        498        4.98        4.98
          2 |      2,523       25.23       30.21
          3 |      4,106       41.06       71.27
          4 |      1,668       16.68       87.95
          5 |      1,188       11.88       99.83
          6 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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