Frequencies for first 10,000 rows of mager14 variable in natlterr2014 dataset :

   Mother's |
 Age Recode |
14 01 Under |
   15 Years |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          5        0.05        0.05
          3 |         37        0.37        0.42
          4 |        109        1.09        1.51
          5 |        200        2.00        3.51
          6 |        338        3.38        6.89
          7 |        496        4.96       11.85
          8 |      3,039       30.39       42.24
          9 |      2,495       24.95       67.19
         10 |      1,936       19.36       86.55
         11 |      1,060       10.60       97.15
         12 |        271        2.71       99.86
         13 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016