Frequencies for first 10,000 rows of pct012n182 variable in sf12010880us33 dataset :

   75 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,809       98.09       98.09
          1 |        156        1.56       99.65
          2 |         17        0.17       99.82
          3 |          6        0.06       99.88
          4 |          4        0.04       99.92
          5 |          2        0.02       99.94
          6 |          1        0.01       99.95
          7 |          1        0.01       99.96
          9 |          1        0.01       99.97
         10 |          1        0.01       99.98
         12 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017