Frequencies for first 10,000 rows of pct012g051 variable in sf12010860us26 dataset :

   48 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,606       66.06       66.06
          1 |      1,468       14.68       80.74
          2 |        664        6.64       87.38
          3 |        358        3.58       90.96
          4 |        244        2.44       93.40
          5 |        163        1.63       95.03
          6 |        115        1.15       96.18
          7 |         68        0.68       96.86
          8 |         75        0.75       97.61
          9 |         49        0.49       98.10
         10 |         33        0.33       98.43
         11 |         16        0.16       98.59
         12 |         16        0.16       98.75
         13 |         27        0.27       99.02
         14 |         12        0.12       99.14
         15 |         11        0.11       99.25
         16 |         11        0.11       99.36
         17 |          4        0.04       99.40
         18 |          8        0.08       99.48
         19 |          5        0.05       99.53
         20 |         10        0.10       99.63
         21 |          1        0.01       99.64
         22 |          4        0.04       99.68
         23 |          5        0.05       99.73
         24 |          2        0.02       99.75
         25 |          5        0.05       99.80
         26 |          1        0.01       99.81
         27 |          1        0.01       99.82
         28 |          1        0.01       99.83
         29 |          2        0.02       99.85
         30 |          3        0.03       99.88
         31 |          4        0.04       99.92
         32 |          1        0.01       99.93
         34 |          2        0.02       99.95
         38 |          1        0.01       99.96
         40 |          2        0.02       99.98
         48 |          1        0.01       99.99
         57 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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