Frequencies for first 10,000 rows of meduc6 variable in natl1989 dataset :

  Education |
  of Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        452        4.52        4.52
          2 |      2,202       22.02       26.54
          3 |      3,775       37.75       64.29
          4 |      2,066       20.66       84.95
          5 |      1,382       13.82       98.77
          6 |        123        1.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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