Frequencies for first 10,000 rows of pct012o160 variable in sf12010860us34 dataset :

   53 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,117       71.17       71.17
          1 |      1,458       14.58       85.75
          2 |        616        6.16       91.91
          3 |        351        3.51       95.42
          4 |        173        1.73       97.15
          5 |        108        1.08       98.23
          6 |         56        0.56       98.79
          7 |         35        0.35       99.14
          8 |         29        0.29       99.43
          9 |         16        0.16       99.59
         10 |         11        0.11       99.70
         11 |         11        0.11       99.81
         12 |          1        0.01       99.82
         13 |          5        0.05       99.87
         14 |          5        0.05       99.92
         16 |          3        0.03       99.95
         17 |          1        0.01       99.96
         21 |          2        0.02       99.98
         27 |          1        0.01       99.99
         38 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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