Frequencies for first 10,000 rows of pct012c048 variable in sf12010860us22 dataset :

   45 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,213       82.13       82.13
          1 |      1,150       11.50       93.63
          2 |        349        3.49       97.12
          3 |        124        1.24       98.36
          4 |         64        0.64       99.00
          5 |         34        0.34       99.34
          6 |         18        0.18       99.52
          7 |         19        0.19       99.71
          8 |          7        0.07       99.78
          9 |          5        0.05       99.83
         10 |          3        0.03       99.86
         11 |          1        0.01       99.87
         12 |          2        0.02       99.89
         13 |          2        0.02       99.91
         17 |          1        0.01       99.92
         24 |          1        0.01       99.93
         32 |          1        0.01       99.94
         40 |          1        0.01       99.95
         43 |          1        0.01       99.96
         53 |          1        0.01       99.97
         55 |          1        0.01       99.98
         56 |          1        0.01       99.99
         86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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