Frequencies for first 10,000 rows of pct012l199 variable in sf12010860us31 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,568       95.68       95.68
          1 |        311        3.11       98.79
          2 |         67        0.67       99.46
          3 |         24        0.24       99.70
          4 |          8        0.08       99.78
          5 |          6        0.06       99.84
          6 |          3        0.03       99.87
          7 |          5        0.05       99.92
          8 |          3        0.03       99.95
          9 |          1        0.01       99.96
         11 |          1        0.01       99.97
         24 |          2        0.02       99.99
         43 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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