Frequencies for first 10,000 rows of pct012j075 variable in sf12010860us29 dataset :

   72 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,580       65.80       65.80
          1 |        979        9.79       75.59
          2 |        480        4.80       80.39
          3 |        340        3.40       83.79
          4 |        240        2.40       86.19
          5 |        196        1.96       88.15
          6 |        152        1.52       89.67
          7 |         98        0.98       90.65
          8 |         89        0.89       91.54
          9 |         81        0.81       92.35
         10 |         89        0.89       93.24
         11 |         71        0.71       93.95
         12 |         60        0.60       94.55
         13 |         40        0.40       94.95
         14 |         38        0.38       95.33
         15 |         30        0.30       95.63
         16 |         31        0.31       95.94
         17 |         27        0.27       96.21
         18 |         25        0.25       96.46
         19 |         20        0.20       96.66
         20 |         14        0.14       96.80
         21 |         13        0.13       96.93
         22 |         14        0.14       97.07
         23 |          7        0.07       97.14
         24 |         12        0.12       97.26
         25 |         15        0.15       97.41
         26 |         15        0.15       97.56
         27 |          9        0.09       97.65
         28 |         14        0.14       97.79
         29 |         11        0.11       97.90
         30 |          5        0.05       97.95
         31 |         13        0.13       98.08
         32 |          8        0.08       98.16
         33 |          9        0.09       98.25
         34 |          5        0.05       98.30
         35 |          6        0.06       98.36
         36 |          7        0.07       98.43
         37 |          9        0.09       98.52
         38 |          7        0.07       98.59
         39 |          6        0.06       98.65
         40 |          3        0.03       98.68
         41 |          7        0.07       98.75
         42 |          3        0.03       98.78
         43 |          4        0.04       98.82
         44 |         10        0.10       98.92
         45 |          4        0.04       98.96
         46 |          2        0.02       98.98
         47 |          4        0.04       99.02
         48 |          3        0.03       99.05
         49 |          1        0.01       99.06
         50 |          2        0.02       99.08
         51 |          3        0.03       99.11
         52 |          6        0.06       99.17
         53 |          3        0.03       99.20
         54 |          2        0.02       99.22
         55 |          1        0.01       99.23
         56 |          1        0.01       99.24
         57 |          3        0.03       99.27
         58 |          2        0.02       99.29
         59 |          6        0.06       99.35
         60 |          2        0.02       99.37
         61 |          1        0.01       99.38
         62 |          4        0.04       99.42
         63 |          1        0.01       99.43
         64 |          3        0.03       99.46
         65 |          1        0.01       99.47
         66 |          1        0.01       99.48
         67 |          2        0.02       99.50
         68 |          3        0.03       99.53
         69 |          3        0.03       99.56
         70 |          3        0.03       99.59
         71 |          1        0.01       99.60
         76 |          2        0.02       99.62
         77 |          2        0.02       99.64
         78 |          1        0.01       99.65
         79 |          2        0.02       99.67
         82 |          1        0.01       99.68
         84 |          1        0.01       99.69
         86 |          1        0.01       99.70
         88 |          2        0.02       99.72
         89 |          1        0.01       99.73
         90 |          2        0.02       99.75
         93 |          1        0.01       99.76
         94 |          3        0.03       99.79
         95 |          2        0.02       99.81
         97 |          1        0.01       99.82
         98 |          1        0.01       99.83
         99 |          1        0.01       99.84
        100 |          1        0.01       99.85
        105 |          1        0.01       99.86
        107 |          1        0.01       99.87
        112 |          1        0.01       99.88
        117 |          1        0.01       99.89
        121 |          2        0.02       99.91
        125 |          3        0.03       99.94
        126 |          2        0.02       99.96
        136 |          2        0.02       99.98
        148 |          1        0.01       99.99
        237 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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