Frequencies for first 10,000 rows of pct012g060 variable in sf12000860us22 dataset :

   57 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,776       77.76       77.76
          1 |      1,209       12.09       89.85
          2 |        425        4.25       94.10
          3 |        182        1.82       95.92
          4 |        120        1.20       97.12
          5 |         58        0.58       97.70
          6 |         55        0.55       98.25
          7 |         32        0.32       98.57
          8 |         24        0.24       98.81
          9 |         14        0.14       98.95
         10 |         15        0.15       99.10
         11 |         16        0.16       99.26
         12 |         11        0.11       99.37
         13 |          9        0.09       99.46
         14 |          8        0.08       99.54
         15 |          5        0.05       99.59
         16 |          9        0.09       99.68
         17 |          6        0.06       99.74
         18 |          5        0.05       99.79
         19 |          3        0.03       99.82
         20 |          5        0.05       99.87
         21 |          2        0.02       99.89
         22 |          2        0.02       99.91
         23 |          3        0.03       99.94
         25 |          1        0.01       99.95
         28 |          1        0.01       99.96
         30 |          1        0.01       99.97
         32 |          1        0.01       99.98
         36 |          1        0.01       99.99
         42 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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