Frequencies for first 10,000 rows of pct012g078 variable in sf12010860us26 dataset :

   75 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,723       87.23       87.23
          1 |        914        9.14       96.37
          2 |        209        2.09       98.46
          3 |         69        0.69       99.15
          4 |         34        0.34       99.49
          5 |         23        0.23       99.72
          6 |          9        0.09       99.81
          7 |          6        0.06       99.87
          8 |          4        0.04       99.91
          9 |          2        0.02       99.93
         10 |          3        0.03       99.96
         11 |          2        0.02       99.98
         12 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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