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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         41        0.41        0.41
          1 |         61        0.61        1.02
          2 |         65        0.65        1.67
          3 |         71        0.71        2.38
          4 |         57        0.57        2.95
          5 |         55        0.55        3.50
          6 |         60        0.60        4.10
          7 |         62        0.62        4.72
          8 |         52        0.52        5.24
          9 |         57        0.57        5.81
         10 |         53        0.53        6.34
         11 |         62        0.62        6.96
         12 |         59        0.59        7.55
         13 |         43        0.43        7.98
         14 |        101        1.01        8.99
         15 |        133        1.33       10.32
         16 |        241        2.41       12.73
         17 |        336        3.36       16.09
         18 |        424        4.24       20.33
         19 |        433        4.33       24.66
         20 |        390        3.90       28.56
         21 |        438        4.38       32.94
         22 |        390        3.90       36.84
         23 |        311        3.11       39.95
         24 |        304        3.04       42.99
         25 |        274        2.74       45.73
         26 |        248        2.48       48.21
         27 |        260        2.60       50.81
         28 |        223        2.23       53.04
         29 |        207        2.07       55.11
         30 |        211        2.11       57.22
         31 |        185        1.85       59.07
         32 |        194        1.94       61.01
         33 |        170        1.70       62.71
         34 |        155        1.55       64.26
         35 |        169        1.69       65.95
         36 |        125        1.25       67.20
         37 |        123        1.23       68.43
         38 |        110        1.10       69.53
         39 |        121        1.21       70.74
         40 |        100        1.00       71.74
         41 |        106        1.06       72.80
         42 |        107        1.07       73.87
         43 |         94        0.94       74.81
         44 |         87        0.87       75.68
         45 |         85        0.85       76.53
         46 |         68        0.68       77.21
         47 |         79        0.79       78.00
         48 |         76        0.76       78.76
         49 |         65        0.65       79.41
         50 |         60        0.60       80.01
         51 |         79        0.79       80.80
         52 |         58        0.58       81.38
         53 |         74        0.74       82.12
         54 |         70        0.70       82.82
         55 |         72        0.72       83.54
         56 |         78        0.78       84.32
         57 |         68        0.68       85.00
         58 |         53        0.53       85.53
         59 |         49        0.49       86.02
         60 |         59        0.59       86.61
         61 |         59        0.59       87.20
         62 |         60        0.60       87.80
         63 |         55        0.55       88.35
         64 |         57        0.57       88.92
         65 |         52        0.52       89.44
         66 |         44        0.44       89.88
         67 |         53        0.53       90.41
         68 |         39        0.39       90.80
         69 |         39        0.39       91.19
         70 |         41        0.41       91.60
         71 |         41        0.41       92.01
         72 |         43        0.43       92.44
         73 |         37        0.37       92.81
         74 |         34        0.34       93.15
         75 |         29        0.29       93.44
         76 |         50        0.50       93.94
         77 |         34        0.34       94.28
         78 |         26        0.26       94.54
         79 |         19        0.19       94.73
         80 |         16        0.16       94.89
         81 |         21        0.21       95.10
         82 |         19        0.19       95.29
         83 |         15        0.15       95.44
         84 |         19        0.19       95.63
         85 |         11        0.11       95.74
         86 |          9        0.09       95.83
         87 |          7        0.07       95.90
         88 |          4        0.04       95.94
         89 |          6        0.06       96.00
         90 |          2        0.02       96.02
         91 |          4        0.04       96.06
         92 |          3        0.03       96.09
         95 |          2        0.02       96.11
         96 |          1        0.01       96.12
         97 |          1        0.01       96.13
         99 |        387        3.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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