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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         45        0.45        0.45
          1 |         55        0.55        1.00
          2 |         64        0.64        1.64
          3 |         69        0.69        2.33
          4 |         67        0.67        3.00
          5 |         61        0.61        3.61
          6 |         66        0.66        4.27
          7 |         47        0.47        4.74
          8 |         39        0.39        5.13
          9 |         52        0.52        5.65
         10 |         51        0.51        6.16
         11 |         37        0.37        6.53
         12 |         59        0.59        7.12
         13 |         73        0.73        7.85
         14 |         97        0.97        8.82
         15 |        181        1.81       10.63
         16 |        320        3.20       13.83
         17 |        315        3.15       16.98
         18 |        342        3.42       20.40
         19 |        403        4.03       24.43
         20 |        359        3.59       28.02
         21 |        328        3.28       31.30
         22 |        334        3.34       34.64
         23 |        286        2.86       37.50
         24 |        286        2.86       40.36
         25 |        296        2.96       43.32
         26 |        259        2.59       45.91
         27 |        225        2.25       48.16
         28 |        211        2.11       50.27
         29 |        199        1.99       52.26
         30 |        224        2.24       54.50
         31 |        199        1.99       56.49
         32 |        171        1.71       58.20
         33 |        203        2.03       60.23
         34 |        164        1.64       61.87
         35 |        178        1.78       63.65
         36 |        138        1.38       65.03
         37 |        139        1.39       66.42
         38 |        147        1.47       67.89
         39 |        123        1.23       69.12
         40 |        112        1.12       70.24
         41 |        114        1.14       71.38
         42 |         92        0.92       72.30
         43 |        115        1.15       73.45
         44 |        107        1.07       74.52
         45 |         82        0.82       75.34
         46 |         79        0.79       76.13
         47 |         77        0.77       76.90
         48 |         81        0.81       77.71
         49 |         73        0.73       78.44
         50 |         70        0.70       79.14
         51 |         77        0.77       79.91
         52 |         62        0.62       80.53
         53 |         62        0.62       81.15
         54 |         56        0.56       81.71
         55 |         59        0.59       82.30
         56 |         63        0.63       82.93
         57 |         51        0.51       83.44
         58 |         55        0.55       83.99
         59 |         56        0.56       84.55
         60 |         61        0.61       85.16
         61 |         56        0.56       85.72
         62 |         53        0.53       86.25
         63 |         48        0.48       86.73
         64 |         50        0.50       87.23
         65 |         58        0.58       87.81
         66 |         50        0.50       88.31
         67 |         48        0.48       88.79
         68 |         51        0.51       89.30
         69 |         47        0.47       89.77
         70 |         39        0.39       90.16
         71 |         43        0.43       90.59
         72 |         52        0.52       91.11
         73 |         44        0.44       91.55
         74 |         42        0.42       91.97
         75 |         51        0.51       92.48
         76 |         37        0.37       92.85
         77 |         25        0.25       93.10
         78 |         38        0.38       93.48
         79 |         26        0.26       93.74
         80 |         37        0.37       94.11
         81 |         19        0.19       94.30
         82 |         26        0.26       94.56
         83 |         28        0.28       94.84
         84 |         13        0.13       94.97
         85 |         21        0.21       95.18
         86 |         15        0.15       95.33
         87 |         13        0.13       95.46
         88 |          8        0.08       95.54
         89 |          4        0.04       95.58
         90 |          4        0.04       95.62
         91 |          3        0.03       95.65
         92 |          1        0.01       95.66
         93 |          4        0.04       95.70
         94 |          2        0.02       95.72
         97 |          1        0.01       95.73
         99 |        427        4.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016