Frequencies for first 10,000 rows of pct012h201 variable in sf12010860us27 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,334       93.34       93.34
          1 |        384        3.84       97.18
          2 |         81        0.81       97.99
          3 |         33        0.33       98.32
          4 |         32        0.32       98.64
          5 |         17        0.17       98.81
          6 |         10        0.10       98.91
          7 |         16        0.16       99.07
          8 |          4        0.04       99.11
          9 |         12        0.12       99.23
         10 |         10        0.10       99.33
         11 |          9        0.09       99.42
         12 |         11        0.11       99.53
         13 |          7        0.07       99.60
         14 |          6        0.06       99.66
         15 |          7        0.07       99.73
         16 |          2        0.02       99.75
         17 |          4        0.04       99.79
         18 |          3        0.03       99.82
         19 |          2        0.02       99.84
         20 |          1        0.01       99.85
         22 |          3        0.03       99.88
         23 |          1        0.01       99.89
         25 |          4        0.04       99.93
         26 |          1        0.01       99.94
         27 |          1        0.01       99.95
         28 |          1        0.01       99.96
         29 |          1        0.01       99.97
         30 |          1        0.01       99.98
         37 |          1        0.01       99.99
         68 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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