Frequencies for first 10,000 rows of pct012g087 variable in sf12000860us22 dataset :

   84 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,471       94.71       94.71
          1 |        413        4.13       98.84
          2 |         78        0.78       99.62
          3 |         25        0.25       99.87
          4 |          3        0.03       99.90
          5 |          8        0.08       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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