Frequencies for first 10,000 rows of pct012o027 variable in sf12010860us34 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,743       67.43       67.43
          1 |      1,333       13.33       80.76
          2 |        591        5.91       86.67
          3 |        380        3.80       90.47
          4 |        248        2.48       92.95
          5 |        182        1.82       94.77
          6 |        129        1.29       96.06
          7 |        102        1.02       97.08
          8 |         70        0.70       97.78
          9 |         44        0.44       98.22
         10 |         30        0.30       98.52
         11 |         35        0.35       98.87
         12 |         24        0.24       99.11
         13 |         24        0.24       99.35
         14 |          9        0.09       99.44
         15 |         16        0.16       99.60
         16 |          7        0.07       99.67
         17 |          7        0.07       99.74
         18 |          6        0.06       99.80
         19 |          3        0.03       99.83
         20 |          2        0.02       99.85
         21 |          1        0.01       99.86
         22 |          5        0.05       99.91
         23 |          1        0.01       99.92
         24 |          2        0.02       99.94
         27 |          1        0.01       99.95
         29 |          1        0.01       99.96
         32 |          1        0.01       99.97
         35 |          1        0.01       99.98
         39 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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