Frequencies for first 10,000 rows of pct012h196 variable in sf12000860us23 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,196       91.96       91.96
          1 |        432        4.32       96.28
          2 |        114        1.14       97.42
          3 |         54        0.54       97.96
          4 |         25        0.25       98.21
          5 |         19        0.19       98.40
          6 |          9        0.09       98.49
          7 |         10        0.10       98.59
          8 |          7        0.07       98.66
          9 |         19        0.19       98.85
         10 |          6        0.06       98.91
         11 |          3        0.03       98.94
         12 |          3        0.03       98.97
         13 |         10        0.10       99.07
         14 |          8        0.08       99.15
         15 |          2        0.02       99.17
         16 |          5        0.05       99.22
         17 |          4        0.04       99.26
         18 |          6        0.06       99.32
         19 |          2        0.02       99.34
         21 |          3        0.03       99.37
         22 |          7        0.07       99.44
         23 |          7        0.07       99.51
         24 |          5        0.05       99.56
         25 |          1        0.01       99.57
         26 |          3        0.03       99.60
         27 |          6        0.06       99.66
         28 |          1        0.01       99.67
         29 |          3        0.03       99.70
         30 |          2        0.02       99.72
         31 |          3        0.03       99.75
         32 |          2        0.02       99.77
         33 |          1        0.01       99.78
         34 |          3        0.03       99.81
         35 |          2        0.02       99.83
         37 |          1        0.01       99.84
         38 |          2        0.02       99.86
         39 |          1        0.01       99.87
         40 |          2        0.02       99.89
         41 |          1        0.01       99.90
         43 |          2        0.02       99.92
         47 |          1        0.01       99.93
         51 |          1        0.01       99.94
         63 |          1        0.01       99.95
         67 |          1        0.01       99.96
         68 |          1        0.01       99.97
         70 |          1        0.01       99.98
         74 |          1        0.01       99.99
         87 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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