Frequencies for first 10,000 rows of meduc14 variable in natl1987 dataset :

  Education |
  of Mother |
  Recode 14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         14        0.14        0.14
          2 |         29        0.29        0.43
          3 |        110        1.10        1.53
          4 |        303        3.03        4.56
          5 |        607        6.07       10.63
          6 |        777        7.77       18.40
          7 |        958        9.58       27.98
          8 |      3,859       38.59       66.57
          9 |        776        7.76       74.33
         10 |        910        9.10       83.43
         11 |        299        2.99       86.42
         12 |        965        9.65       96.07
         13 |        366        3.66       99.73
         14 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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