Frequencies for first 10,000 rows of pct012o059 variable in sf12010860us34 dataset :

   56 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,407       74.07       74.07
          1 |      1,478       14.78       88.85
          2 |        586        5.86       94.71
          3 |        255        2.55       97.26
          4 |        120        1.20       98.46
          5 |         69        0.69       99.15
          6 |         31        0.31       99.46
          7 |         18        0.18       99.64
          8 |         11        0.11       99.75
          9 |         10        0.10       99.85
         10 |          3        0.03       99.88
         11 |          2        0.02       99.90
         13 |          3        0.03       99.93
         14 |          2        0.02       99.95
         15 |          2        0.02       99.97
         16 |          1        0.01       99.98
         28 |          1        0.01       99.99
         57 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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