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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        118        1.18        1.18
          1 |        125        1.25        2.43
          2 |        125        1.25        3.68
          3 |        118        1.18        4.86
          4 |        126        1.26        6.12
          5 |        126        1.26        7.38
          6 |        125        1.25        8.63
          7 |        125        1.25        9.88
          8 |        123        1.23       11.11
          9 |        121        1.21       12.32
         10 |        125        1.25       13.57
         11 |        123        1.23       14.80
         12 |        126        1.26       16.06
         13 |        126        1.26       17.32
         14 |        127        1.27       18.59
         15 |        126        1.26       19.85
         16 |        126        1.26       21.11
         17 |        126        1.26       22.37
         18 |        125        1.25       23.62
         19 |        125        1.25       24.87
         20 |        127        1.27       26.14
         21 |        127        1.27       27.41
         22 |        128        1.28       28.69
         23 |        127        1.27       29.96
         24 |        128        1.28       31.24
         25 |        125        1.25       32.49
         26 |        127        1.27       33.76
         27 |        128        1.28       35.04
         28 |        127        1.27       36.31
         29 |        127        1.27       37.58
         30 |        126        1.26       38.84
         31 |        127        1.27       40.11
         32 |        126        1.26       41.37
         33 |        127        1.27       42.64
         34 |        127        1.27       43.91
         35 |        127        1.27       45.18
         36 |        127        1.27       46.45
         37 |        126        1.26       47.71
         38 |        124        1.24       48.95
         39 |        122        1.22       50.17
         40 |        125        1.25       51.42
         41 |        125        1.25       52.67
         42 |        124        1.24       53.91
         43 |        123        1.23       55.14
         44 |        121        1.21       56.35
         45 |        121        1.21       57.56
         46 |        124        1.24       58.80
         47 |        123        1.23       60.03
         48 |        121        1.21       61.24
         49 |        123        1.23       62.47
         50 |        123        1.23       63.70
         51 |        123        1.23       64.93
         52 |        122        1.22       66.15
         53 |        115        1.15       67.30
         54 |        107        1.07       68.37
         55 |        120        1.20       69.57
         56 |        116        1.16       70.73
         57 |        117        1.17       71.90
         58 |        108        1.08       72.98
         59 |        118        1.18       74.16
         60 |        105        1.05       75.21
         61 |        113        1.13       76.34
         62 |        120        1.20       77.54
         63 |        114        1.14       78.68
         64 |        111        1.11       79.79
         65 |        111        1.11       80.90
         66 |        105        1.05       81.95
         67 |        107        1.07       83.02
         68 |        100        1.00       84.02
         69 |        109        1.09       85.11
         70 |        116        1.16       86.27
         71 |        103        1.03       87.30
         72 |        106        1.06       88.36
         73 |        100        1.00       89.36
         74 |        101        1.01       90.37
         75 |        102        1.02       91.39
         76 |         94        0.94       92.33
         77 |         93        0.93       93.26
         78 |        102        1.02       94.28
         79 |         79        0.79       95.07
         80 |         87        0.87       95.94
         81 |         82        0.82       96.76
         82 |         77        0.77       97.53
         83 |         78        0.78       98.31
         84 |         71        0.71       99.02
  85+ years |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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