Frequencies for first 10,000 rows of meduc14 variable in natl1988 dataset :

  Education |
  of Mother |
  Recode 14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         20        0.20        0.20
          2 |         41        0.41        0.61
          3 |        115        1.15        1.76
          4 |        301        3.01        4.77
          5 |        541        5.41       10.18
          6 |        712        7.12       17.30
          7 |        893        8.93       26.23
          8 |      3,929       39.29       65.52
          9 |        779        7.79       73.31
         10 |        841        8.41       81.72
         11 |        305        3.05       84.77
         12 |        914        9.14       93.91
         13 |        415        4.15       98.06
         14 |        194        1.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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