Frequencies for first 10,000 rows of mager9 variable in natlterr2007 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         25        0.25        0.25
          2 |      1,341       13.41       13.66
          3 |      2,750       27.50       41.16
          4 |      2,665       26.65       67.81
          5 |      1,973       19.73       87.54
          6 |      1,004       10.04       97.58
          7 |        226        2.26       99.84
          8 |         14        0.14       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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