Frequencies for first 10,000 rows of pct012c049 variable in sf12010860us22 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,209       82.09       82.09
          1 |      1,171       11.71       93.80
          2 |        326        3.26       97.06
          3 |        133        1.33       98.39
          4 |         53        0.53       98.92
          5 |         39        0.39       99.31
          6 |         24        0.24       99.55
          7 |         11        0.11       99.66
          8 |          7        0.07       99.73
          9 |          6        0.06       99.79
         10 |          1        0.01       99.80
         11 |          5        0.05       99.85
         12 |          3        0.03       99.88
         13 |          2        0.02       99.90
         16 |          2        0.02       99.92
         22 |          1        0.01       99.93
         29 |          1        0.01       99.94
         31 |          1        0.01       99.95
         42 |          1        0.01       99.96
         43 |          1        0.01       99.97
         47 |          1        0.01       99.98
         60 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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