Frequencies for first 10,000 rows of pct012h094 variable in sf12010860us27 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,389       93.89       93.89
          1 |        357        3.57       97.46
          2 |         83        0.83       98.29
          3 |         27        0.27       98.56
          4 |         17        0.17       98.73
          5 |         21        0.21       98.94
          6 |         13        0.13       99.07
          7 |         10        0.10       99.17
          8 |          8        0.08       99.25
          9 |          8        0.08       99.33
         10 |          7        0.07       99.40
         11 |          7        0.07       99.47
         12 |          8        0.08       99.55
         13 |          4        0.04       99.59
         14 |         10        0.10       99.69
         15 |          3        0.03       99.72
         16 |          3        0.03       99.75
         17 |          2        0.02       99.77
         18 |          2        0.02       99.79
         19 |          3        0.03       99.82
         20 |          2        0.02       99.84
         21 |          2        0.02       99.86
         22 |          3        0.03       99.89
         23 |          1        0.01       99.90
         24 |          1        0.01       99.91
         25 |          2        0.02       99.93
         26 |          1        0.01       99.94
         28 |          2        0.02       99.96
         29 |          1        0.01       99.97
         32 |          1        0.01       99.98
         38 |          1        0.01       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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