Frequencies for first 10,000 rows of pct012g062 variable in sf12000860us22 dataset :

   59 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,967       79.67       79.67
          1 |      1,185       11.85       91.52
          2 |        360        3.60       95.12
          3 |        165        1.65       96.77
          4 |         85        0.85       97.62
          5 |         54        0.54       98.16
          6 |         41        0.41       98.57
          7 |         23        0.23       98.80
          8 |         25        0.25       99.05
          9 |         15        0.15       99.20
         10 |          6        0.06       99.26
         11 |         21        0.21       99.47
         12 |          9        0.09       99.56
         13 |          6        0.06       99.62
         14 |          5        0.05       99.67
         15 |          8        0.08       99.75
         16 |          7        0.07       99.82
         17 |          4        0.04       99.86
         18 |          2        0.02       99.88
         19 |          2        0.02       99.90
         20 |          3        0.03       99.93
         21 |          2        0.02       99.95
         24 |          3        0.03       99.98
         29 |          1        0.01       99.99
         30 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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