Frequencies for first 10,000 rows of mager14 variable in natlterr2015 dataset :

   Mother's |
 Age Recode |
14 01 Under |
   15 Years |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         11        0.11        0.11
          3 |         41        0.41        0.52
          4 |         78        0.78        1.30
          5 |        176        1.76        3.06
          6 |        269        2.69        5.75
          7 |        436        4.36       10.11
          8 |      2,990       29.90       40.01
          9 |      2,690       26.90       66.91
         10 |      1,931       19.31       86.22
         11 |      1,096       10.96       97.18
         12 |        258        2.58       99.76
         13 |         20        0.20       99.96
         14 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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