Frequencies for first 10,000 rows of pct012o035 variable in sf12010860us34 dataset :

   32 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,039       70.39       70.39
          1 |      1,312       13.12       83.51
          2 |        595        5.95       89.46
          3 |        326        3.26       92.72
          4 |        206        2.06       94.78
          5 |        136        1.36       96.14
          6 |        112        1.12       97.26
          7 |         67        0.67       97.93
          8 |         70        0.70       98.63
          9 |         43        0.43       99.06
         10 |         27        0.27       99.33
         11 |         19        0.19       99.52
         12 |         16        0.16       99.68
         13 |          5        0.05       99.73
         14 |         10        0.10       99.83
         15 |          2        0.02       99.85
         16 |          7        0.07       99.92
         17 |          1        0.01       99.93
         21 |          1        0.01       99.94
         22 |          1        0.01       99.95
         23 |          1        0.01       99.96
         24 |          1        0.01       99.97
         28 |          1        0.01       99.98
         30 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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