Frequencies for first 10,000 rows of mager14 variable in natlterr2006 dataset :

   Mother's |
 Age Recode |
     14 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         32        0.32        0.32
          3 |         68        0.68        1.00
          4 |        173        1.73        2.73
          5 |        254        2.54        5.27
          6 |        369        3.69        8.96
          7 |        458        4.58       13.54
          8 |      2,771       27.71       41.25
          9 |      2,634       26.34       67.59
         10 |      1,921       19.21       86.80
         11 |      1,044       10.44       97.24
         12 |        259        2.59       99.83
         13 |         16        0.16       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015