Frequencies for first 10,000 rows of pct012a097 variable in sf12010860us20 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,033       60.33       60.33
          1 |      1,541       15.41       75.74
          2 |        772        7.72       83.46
          3 |        492        4.92       88.38
          4 |        331        3.31       91.69
          5 |        229        2.29       93.98
          6 |        156        1.56       95.54
          7 |        117        1.17       96.71
          8 |         88        0.88       97.59
          9 |         61        0.61       98.20
         10 |         60        0.60       98.80
         11 |         29        0.29       99.09
         12 |         16        0.16       99.25
         13 |         16        0.16       99.41
         14 |         12        0.12       99.53
         15 |         13        0.13       99.66
         16 |          4        0.04       99.70
         17 |          9        0.09       99.79
         18 |          4        0.04       99.83
         19 |          2        0.02       99.85
         20 |          2        0.02       99.87
         21 |          2        0.02       99.89
         22 |          1        0.01       99.90
         23 |          1        0.01       99.91
         24 |          1        0.01       99.92
         25 |          3        0.03       99.95
         27 |          1        0.01       99.96
         29 |          1        0.01       99.97
         33 |          2        0.02       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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