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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         42        0.42        0.42
          1 |         44        0.44        0.86
          2 |         70        0.70        1.56
          3 |         63        0.63        2.19
          4 |         38        0.38        2.57
          5 |         55        0.55        3.12
          6 |         37        0.37        3.49
          7 |         47        0.47        3.96
          8 |         45        0.45        4.41
          9 |         72        0.72        5.13
         10 |         80        0.80        5.93
         11 |         62        0.62        6.55
         12 |         78        0.78        7.33
         13 |         67        0.67        8.00
         14 |        104        1.04        9.04
         15 |        182        1.82       10.86
         16 |        302        3.02       13.88
         17 |        358        3.58       17.46
         18 |        439        4.39       21.85
         19 |        431        4.31       26.16
         20 |        417        4.17       30.33
         21 |        396        3.96       34.29
         22 |        406        4.06       38.35
         23 |        352        3.52       41.87
         24 |        350        3.50       45.37
         25 |        297        2.97       48.34
         26 |        289        2.89       51.23
         27 |        256        2.56       53.79
         28 |        248        2.48       56.27
         29 |        225        2.25       58.52
         30 |        198        1.98       60.50
         31 |        186        1.86       62.36
         32 |        195        1.95       64.31
         33 |        171        1.71       66.02
         34 |        139        1.39       67.41
         35 |        135        1.35       68.76
         36 |        115        1.15       69.91
         37 |        105        1.05       70.96
         38 |        107        1.07       72.03
         39 |         97        0.97       73.00
         40 |        106        1.06       74.06
         41 |        108        1.08       75.14
         42 |         92        0.92       76.06
         43 |        105        1.05       77.11
         44 |         77        0.77       77.88
         45 |         90        0.90       78.78
         46 |         78        0.78       79.56
         47 |         84        0.84       80.40
         48 |         61        0.61       81.01
         49 |         70        0.70       81.71
         50 |         80        0.80       82.51
         51 |         85        0.85       83.36
         52 |         73        0.73       84.09
         53 |         70        0.70       84.79
         54 |         69        0.69       85.48
         55 |         66        0.66       86.14
         56 |         88        0.88       87.02
         57 |         64        0.64       87.66
         58 |         68        0.68       88.34
         59 |         69        0.69       89.03
         60 |         55        0.55       89.58
         61 |         63        0.63       90.21
         62 |         63        0.63       90.84
         63 |         53        0.53       91.37
         64 |         55        0.55       91.92
         65 |         52        0.52       92.44
         66 |         41        0.41       92.85
         67 |         46        0.46       93.31
         68 |         45        0.45       93.76
         69 |         40        0.40       94.16
         70 |         35        0.35       94.51
         71 |         30        0.30       94.81
         72 |         34        0.34       95.15
         73 |         44        0.44       95.59
         74 |         48        0.48       96.07
         75 |         35        0.35       96.42
         76 |         23        0.23       96.65
         77 |         26        0.26       96.91
         78 |         26        0.26       97.17
         79 |         35        0.35       97.52
         80 |         21        0.21       97.73
         81 |         18        0.18       97.91
         82 |         18        0.18       98.09
         83 |          7        0.07       98.16
         84 |         10        0.10       98.26
         85 |         18        0.18       98.44
         86 |         11        0.11       98.55
         87 |          2        0.02       98.57
         88 |          6        0.06       98.63
         89 |          4        0.04       98.67
         90 |          5        0.05       98.72
         91 |          4        0.04       98.76
         92 |          4        0.04       98.80
         93 |          1        0.01       98.81
         94 |          2        0.02       98.83
         97 |          1        0.01       98.84
         99 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016