Frequencies for first 10,000 rows of mager9 variable in natlterr2015 dataset :

   Mother's |
 Age Recode |
  9 1 Under |
   15 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         11        0.11        0.11
          2 |      1,000       10.00       10.11
          3 |      2,990       29.90       40.01
          4 |      2,690       26.90       66.91
          5 |      1,931       19.31       86.22
          6 |      1,096       10.96       97.18
          7 |        258        2.58       99.76
          8 |         20        0.20       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Oct 2016