Frequencies for first 10,000 rows of pct012j195 variable in sf12000860us25 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,856       78.56       78.56
          1 |        835        8.35       86.91
          2 |        366        3.66       90.57
          3 |        236        2.36       92.93
          4 |        158        1.58       94.51
          5 |        109        1.09       95.60
          6 |         70        0.70       96.30
          7 |         55        0.55       96.85
          8 |         50        0.50       97.35
          9 |         32        0.32       97.67
         10 |         23        0.23       97.90
         11 |         22        0.22       98.12
         12 |         18        0.18       98.30
         13 |         18        0.18       98.48
         14 |         13        0.13       98.61
         15 |         17        0.17       98.78
         16 |         13        0.13       98.91
         17 |          8        0.08       98.99
         18 |          5        0.05       99.04
         19 |          4        0.04       99.08
         20 |          7        0.07       99.15
         21 |          6        0.06       99.21
         22 |          8        0.08       99.29
         23 |          5        0.05       99.34
         24 |          2        0.02       99.36
         25 |          2        0.02       99.38
         26 |          7        0.07       99.45
         27 |          5        0.05       99.50
         28 |          3        0.03       99.53
         29 |          5        0.05       99.58
         30 |          2        0.02       99.60
         31 |          3        0.03       99.63
         32 |          4        0.04       99.67
         33 |          2        0.02       99.69
         34 |          1        0.01       99.70
         35 |          2        0.02       99.72
         36 |          4        0.04       99.76
         37 |          2        0.02       99.78
         39 |          1        0.01       99.79
         40 |          1        0.01       99.80
         41 |          2        0.02       99.82
         42 |          1        0.01       99.83
         45 |          3        0.03       99.86
         46 |          1        0.01       99.87
         48 |          2        0.02       99.89
         49 |          1        0.01       99.90
         51 |          1        0.01       99.91
         52 |          1        0.01       99.92
         56 |          4        0.04       99.96
         60 |          1        0.01       99.97
         61 |          1        0.01       99.98
         68 |          1        0.01       99.99
         73 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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