Frequencies for first 10,000 rows of mager9 variable in natlterr2010 dataset :

   Mother's |
 Age Recode |
      9 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         22        0.22        0.22
          2 |      1,420       14.20       14.42
          3 |      2,798       27.98       42.40
          4 |      2,538       25.38       67.78
          5 |      1,918       19.18       86.96
          6 |      1,047       10.47       97.43
          7 |        242        2.42       99.85
          8 |         14        0.14       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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