Frequencies for first 10,000 rows of mager9 variable in natlterr2005 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         26        0.26        0.26
          2 |      1,315       13.15       13.41
          3 |      2,751       27.51       40.92
          4 |      2,740       27.40       68.32
          5 |      1,910       19.10       87.42
          6 |      1,010       10.10       97.52
          7 |        238        2.38       99.90
          8 |          9        0.09       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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