Frequencies for first 10,000 rows of mager41 variable in natl2003 dataset :

   Mother's |
 Age Recode |
     41 U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         16        0.16        0.16
          2 |         29        0.29        0.45
          3 |         84        0.84        1.29
          4 |        207        2.07        3.36
          5 |        293        2.93        6.29
          6 |        436        4.36       10.65
          7 |        561        5.61       16.26
          8 |        561        5.61       21.87
          9 |        621        6.21       28.08
         10 |        612        6.12       34.20
         11 |        535        5.35       39.55
         12 |        549        5.49       45.04
         13 |        545        5.45       50.49
         14 |        509        5.09       55.58
         15 |        539        5.39       60.97
         16 |        502        5.02       65.99
         17 |        457        4.57       70.56
         18 |        444        4.44       75.00
         19 |        429        4.29       79.29
         20 |        371        3.71       83.00
         21 |        354        3.54       86.54
         22 |        257        2.57       89.11
         23 |        256        2.56       91.67
         24 |        215        2.15       93.82
         25 |        177        1.77       95.59
         26 |        126        1.26       96.85
         27 |         95        0.95       97.80
         28 |         78        0.78       98.58
         29 |         53        0.53       99.11
         30 |         37        0.37       99.48
         31 |         30        0.30       99.78
         32 |          8        0.08       99.86
         33 |          6        0.06       99.92
         34 |          5        0.05       99.97
         35 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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