Frequencies for first 10,000 rows of age variable in uswbo19agesadj dataset :

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
    0 years |        495        4.95        4.95
  1-4 years |        537        5.37       10.32
  5-9 years |        551        5.51       15.83
10-14 years |        553        5.53       21.36
15-19 years |        553        5.53       26.89
20-24 years |        558        5.58       32.47
25-29 years |        545        5.45       37.92
30-34 years |        557        5.57       43.49
35-39 years |        536        5.36       48.85
40-44 years |        545        5.45       54.30
45-49 years |        530        5.30       59.60
50-54 years |        528        5.28       64.88
55-59 years |        536        5.36       70.24
60-64 years |        536        5.36       75.60
65-69 years |        501        5.01       80.61
70-74 years |        501        5.01       85.62
75-79 years |        483        4.83       90.45
80-84 years |        476        4.76       95.21
  85+ years |        479        4.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 2 Jan 2018