Frequencies for first 10,000 rows of mager9 variable in natl2006 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          8        0.08        0.08
          2 |      1,008       10.08       10.16
          3 |      2,955       29.55       39.71
          4 |      2,789       27.89       67.60
          5 |      1,924       19.24       86.84
          6 |      1,059       10.59       97.43
          7 |        236        2.36       99.79
          8 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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