Frequencies for first 10,000 rows of meduc6 variable in natl1999 dataset :

  Education |
  of Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        359        3.59        3.59
          2 |      1,972       19.72       23.31
          3 |      3,232       32.32       55.63
          4 |      2,450       24.50       80.13
          5 |      1,960       19.60       99.73
          6 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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