Frequencies for first 10,000 rows of pct012l061 variable in sf12000860us27 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,832       78.32       78.32
          1 |        800        8.00       86.32
          2 |        387        3.87       90.19
          3 |        221        2.21       92.40
          4 |        164        1.64       94.04
          5 |         99        0.99       95.03
          6 |         79        0.79       95.82
          7 |         63        0.63       96.45
          8 |         47        0.47       96.92
          9 |         41        0.41       97.33
         10 |         33        0.33       97.66
         11 |         25        0.25       97.91
         12 |         26        0.26       98.17
         13 |         15        0.15       98.32
         14 |         12        0.12       98.44
         15 |         16        0.16       98.60
         16 |         10        0.10       98.70
         17 |         19        0.19       98.89
         18 |         13        0.13       99.02
         19 |          9        0.09       99.11
         20 |          5        0.05       99.16
         21 |          5        0.05       99.21
         22 |          4        0.04       99.25
         23 |          8        0.08       99.33
         24 |          2        0.02       99.35
         25 |          2        0.02       99.37
         26 |         11        0.11       99.48
         27 |          2        0.02       99.50
         28 |          3        0.03       99.53
         29 |          2        0.02       99.55
         30 |          4        0.04       99.59
         31 |          1        0.01       99.60
         32 |          4        0.04       99.64
         33 |          1        0.01       99.65
         34 |          2        0.02       99.67
         35 |          2        0.02       99.69
         36 |          5        0.05       99.74
         37 |          2        0.02       99.76
         38 |          2        0.02       99.78
         40 |          1        0.01       99.79
         41 |          1        0.01       99.80
         43 |          1        0.01       99.81
         45 |          1        0.01       99.82
         46 |          1        0.01       99.83
         47 |          2        0.02       99.85
         50 |          2        0.02       99.87
         58 |          2        0.02       99.89
         63 |          3        0.03       99.92
         68 |          1        0.01       99.93
         70 |          1        0.01       99.94
         93 |          1        0.01       99.95
         96 |          1        0.01       99.96
        102 |          1        0.01       99.97
        136 |          1        0.01       99.98
        173 |          1        0.01       99.99
        177 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017