Frequencies for first 10,000 rows of mager14 variable in natlterr2005 dataset :

   Mother's |
 Age Recode |
     14 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         26        0.26        0.26
          3 |         64        0.64        0.90
          4 |        171        1.71        2.61
          5 |        252        2.52        5.13
          6 |        364        3.64        8.77
          7 |        464        4.64       13.41
          8 |      2,751       27.51       40.92
          9 |      2,740       27.40       68.32
         10 |      1,910       19.10       87.42
         11 |      1,010       10.10       97.52
         12 |        238        2.38       99.90
         13 |          9        0.09       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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