Frequencies for first 10,000 rows of mager9 variable in linkpe2009psden dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         31        0.31        0.31
          2 |      1,598       15.98       16.29
          3 |      3,080       30.80       47.09
          4 |      2,577       25.77       72.86
          5 |      1,666       16.66       89.52
          6 |        845        8.45       97.97
          7 |        194        1.94       99.91
          8 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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