Frequencies for first 10,000 rows of pct012l196 variable in sf12010860us31 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,273       92.73       92.73
          1 |        452        4.52       97.25
          2 |        152        1.52       98.77
          3 |         46        0.46       99.23
          4 |         25        0.25       99.48
          5 |         13        0.13       99.61
          6 |         10        0.10       99.71
          7 |          7        0.07       99.78
          8 |          4        0.04       99.82
          9 |          2        0.02       99.84
         10 |          1        0.01       99.85
         11 |          1        0.01       99.86
         12 |          3        0.03       99.89
         13 |          3        0.03       99.92
         14 |          1        0.01       99.93
         15 |          1        0.01       99.94
         16 |          1        0.01       99.95
         19 |          1        0.01       99.96
         34 |          1        0.01       99.97
         38 |          2        0.02       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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