Frequencies for first 10,000 rows of pct012j093 variable in sf12010880us29 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,143       91.43       91.43
          1 |        472        4.72       96.15
          2 |        151        1.51       97.66
          3 |         56        0.56       98.22
          4 |         49        0.49       98.71
          5 |         31        0.31       99.02
          6 |         29        0.29       99.31
          7 |         14        0.14       99.45
          8 |          8        0.08       99.53
          9 |          7        0.07       99.60
         10 |          8        0.08       99.68
         11 |          8        0.08       99.76
         12 |          2        0.02       99.78
         13 |          3        0.03       99.81
         14 |          2        0.02       99.83
         15 |          4        0.04       99.87
         16 |          4        0.04       99.91
         17 |          3        0.03       99.94
         19 |          1        0.01       99.95
         20 |          2        0.02       99.97
         25 |          1        0.01       99.98
         26 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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