Frequencies for first 10,000 rows of pct012d073 variable in sf12010860us23 dataset :

   70 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,771       77.71       77.71
          1 |        831        8.31       86.02
          2 |        408        4.08       90.10
          3 |        261        2.61       92.71
          4 |        161        1.61       94.32
          5 |        108        1.08       95.40
          6 |         81        0.81       96.21
          7 |         60        0.60       96.81
          8 |         41        0.41       97.22
          9 |         38        0.38       97.60
         10 |         28        0.28       97.88
         11 |         25        0.25       98.13
         12 |         19        0.19       98.32
         13 |         11        0.11       98.43
         14 |         15        0.15       98.58
         15 |         11        0.11       98.69
         16 |         19        0.19       98.88
         17 |         14        0.14       99.02
         18 |          6        0.06       99.08
         19 |         11        0.11       99.19
         20 |          8        0.08       99.27
         21 |          4        0.04       99.31
         22 |          4        0.04       99.35
         23 |          1        0.01       99.36
         24 |          8        0.08       99.44
         25 |          4        0.04       99.48
         26 |          5        0.05       99.53
         27 |          1        0.01       99.54
         28 |          2        0.02       99.56
         29 |          6        0.06       99.62
         30 |          2        0.02       99.64
         31 |          1        0.01       99.65
         32 |          2        0.02       99.67
         33 |          1        0.01       99.68
         34 |          1        0.01       99.69
         35 |          2        0.02       99.71
         36 |          2        0.02       99.73
         38 |          3        0.03       99.76
         39 |          1        0.01       99.77
         40 |          1        0.01       99.78
         42 |          1        0.01       99.79
         44 |          2        0.02       99.81
         46 |          2        0.02       99.83
         47 |          1        0.01       99.84
         48 |          2        0.02       99.86
         50 |          1        0.01       99.87
         52 |          3        0.03       99.90
         55 |          1        0.01       99.91
         65 |          1        0.01       99.92
         70 |          1        0.01       99.93
         78 |          1        0.01       99.94
         83 |          1        0.01       99.95
         98 |          1        0.01       99.96
        100 |          1        0.01       99.97
        119 |          1        0.01       99.98
        151 |          1        0.01       99.99
        174 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017