Frequencies for first 10,000 rows of pct012o193 variable in sf12010860us34 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,356       93.56       93.56
          1 |        535        5.35       98.91
          2 |         81        0.81       99.72
          3 |         22        0.22       99.94
          4 |          3        0.03       99.97
          6 |          1        0.01       99.98
          7 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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