Frequencies for first 10,000 rows of mager14 variable in linkpe2009psden dataset :

   Mother's |
 Age Recode |
     14 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         31        0.31        0.31
          3 |         85        0.85        1.16
          4 |        180        1.80        2.96
          5 |        333        3.33        6.29
          6 |        449        4.49       10.78
          7 |        551        5.51       16.29
          8 |      3,080       30.80       47.09
          9 |      2,577       25.77       72.86
         10 |      1,666       16.66       89.52
         11 |        845        8.45       97.97
         12 |        194        1.94       99.91
         13 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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