Frequencies for est42010sex0_medage variable in pepsyasex2011 dataset :

   April 1, |
     2010 - |
  Estimates |
Base - Both |
     Sexes; |
 Median age |
    (years) |      Freq.     Percent        Cum.
------------+-----------------------------------
       29.2 |          1        1.89        1.89
       33.6 |          1        1.89        3.77
       33.8 |          2        3.77        7.55
       34.6 |          1        1.89        9.43
       35.2 |          1        1.89       11.32
       35.3 |          1        1.89       13.21
       35.8 |          1        1.89       15.09
       35.9 |          1        1.89       16.98
         36 |          2        3.77       20.75
       36.1 |          1        1.89       22.64
       36.2 |          2        3.77       26.42
       36.3 |          1        1.89       28.30
       36.6 |          1        1.89       30.19
       36.7 |          1        1.89       32.08
       36.8 |          1        1.89       33.96
       36.9 |          2        3.77       37.74
         37 |          2        3.77       41.51
       37.2 |          1        1.89       43.40
       37.3 |          1        1.89       45.28
       37.4 |          3        5.66       50.94
       37.5 |          1        1.89       52.83
       37.9 |          3        5.66       58.49
         38 |          3        5.66       64.15
       38.1 |          2        3.77       67.92
       38.4 |          1        1.89       69.81
       38.5 |          1        1.89       71.70
       38.6 |          1        1.89       73.58
       38.8 |          2        3.77       77.36
       38.9 |          1        1.89       79.25
         39 |          1        1.89       81.13
       39.1 |          1        1.89       83.02
       39.4 |          1        1.89       84.91
       39.8 |          1        1.89       86.79
         40 |          1        1.89       88.68
       40.1 |          1        1.89       90.57
       40.7 |          1        1.89       92.45
       41.1 |          1        1.89       94.34
       41.3 |          1        1.89       96.23
       41.5 |          1        1.89       98.11
       42.7 |          1        1.89      100.00
------------+-----------------------------------
      Total |         53      100.00

by Jean Roth , jroth@nber.org , 5 Jan 2016