Frequencies for first 10,000 rows of ager variable in nhamcsed2014 dataset :

       Age recode |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Under 15 years |      2,052       20.52       20.52
      15-24 years |      1,371       13.71       34.23
      25-44 years |      2,728       27.28       61.51
      45-64 years |      2,317       23.17       84.68
      65-74 years |        681        6.81       91.49
75 years and over |        851        8.51      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017