Frequencies for first 10,000 rows of mager9 variable in natlterr2008 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         19        0.19        0.19
          2 |      1,338       13.38       13.57
          3 |      2,765       27.65       41.22
          4 |      2,644       26.44       67.66
          5 |      1,962       19.62       87.28
          6 |      1,019       10.19       97.47
          7 |        240        2.40       99.87
          8 |         11        0.11       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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