Frequencies for first 10,000 rows of mager9 variable in natl2008 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         26        0.26        0.26
          2 |      1,368       13.68       13.94
          3 |      3,139       31.39       45.33
          4 |      2,849       28.49       73.82
          5 |      1,739       17.39       91.21
          6 |        758        7.58       98.79
          7 |        115        1.15       99.94
          8 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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