Frequencies for first 10,000 rows of mager14 variable in natl2008 dataset :

   Mother's |
 Age Recode |
     14 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         26        0.26        0.26
          3 |         60        0.60        0.86
          4 |        112        1.12        1.98
          5 |        236        2.36        4.34
          6 |        398        3.98        8.32
          7 |        562        5.62       13.94
          8 |      3,139       31.39       45.33
          9 |      2,849       28.49       73.82
         10 |      1,739       17.39       91.21
         11 |        758        7.58       98.79
         12 |        115        1.15       99.94
         13 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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