Frequencies for first 10,000 rows of pct012h091 variable in sf12010880us27 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,120       91.20       91.20
          1 |        482        4.82       96.02
          2 |        138        1.38       97.40
          3 |         51        0.51       97.91
          4 |         36        0.36       98.27
          5 |         20        0.20       98.47
          6 |         16        0.16       98.63
          7 |          9        0.09       98.72
          8 |          8        0.08       98.80
          9 |          3        0.03       98.83
         10 |         10        0.10       98.93
         11 |         10        0.10       99.03
         12 |          7        0.07       99.10
         13 |          4        0.04       99.14
         14 |          6        0.06       99.20
         15 |          4        0.04       99.24
         16 |          3        0.03       99.27
         17 |          1        0.01       99.28
         18 |          4        0.04       99.32
         19 |          6        0.06       99.38
         20 |          1        0.01       99.39
         21 |          5        0.05       99.44
         22 |          6        0.06       99.50
         23 |          4        0.04       99.54
         24 |          3        0.03       99.57
         25 |          3        0.03       99.60
         26 |          4        0.04       99.64
         27 |          2        0.02       99.66
         28 |          3        0.03       99.69
         29 |          3        0.03       99.72
         30 |          2        0.02       99.74
         31 |          5        0.05       99.79
         32 |          4        0.04       99.83
         33 |          1        0.01       99.84
         34 |          2        0.02       99.86
         35 |          3        0.03       99.89
         36 |          1        0.01       99.90
         39 |          1        0.01       99.91
         41 |          1        0.01       99.92
         47 |          1        0.01       99.93
         53 |          1        0.01       99.94
         54 |          1        0.01       99.95
         56 |          1        0.01       99.96
         59 |          2        0.02       99.98
         60 |          1        0.01       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017