Frequencies for first 10,000 rows of pct012f184 variable in sf12010860us25 dataset :

   77 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,958       89.58       89.58
          1 |        511        5.11       94.69
          2 |        176        1.76       96.45
          3 |         91        0.91       97.36
          4 |         56        0.56       97.92
          5 |         40        0.40       98.32
          6 |         35        0.35       98.67
          7 |         24        0.24       98.91
          8 |         14        0.14       99.05
          9 |         12        0.12       99.17
         10 |          7        0.07       99.24
         11 |          7        0.07       99.31
         12 |          7        0.07       99.38
         13 |          7        0.07       99.45
         14 |          6        0.06       99.51
         15 |          3        0.03       99.54
         16 |          4        0.04       99.58
         17 |          2        0.02       99.60
         18 |          6        0.06       99.66
         19 |          3        0.03       99.69
         20 |          4        0.04       99.73
         21 |          2        0.02       99.75
         23 |          2        0.02       99.77
         24 |          3        0.03       99.80
         25 |          3        0.03       99.83
         26 |          2        0.02       99.85
         27 |          4        0.04       99.89
         28 |          1        0.01       99.90
         29 |          2        0.02       99.92
         30 |          1        0.01       99.93
         31 |          1        0.01       99.94
         32 |          2        0.02       99.96
         33 |          2        0.02       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