Frequencies for first 10,000 rows of pct012h203 variable in sf12010880us27 dataset :

   96 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,528       95.28       95.28
          1 |        251        2.51       97.79
          2 |         77        0.77       98.56
          3 |         21        0.21       98.77
          4 |         30        0.30       99.07
          5 |         10        0.10       99.17
          6 |         20        0.20       99.37
          7 |          6        0.06       99.43
          8 |         16        0.16       99.59
          9 |          6        0.06       99.65
         10 |          6        0.06       99.71
         11 |          8        0.08       99.79
         12 |          6        0.06       99.85
         13 |          2        0.02       99.87
         14 |          2        0.02       99.89
         15 |          3        0.03       99.92
         16 |          1        0.01       99.93
         18 |          2        0.02       99.95
         19 |          1        0.01       99.96
         21 |          1        0.01       99.97
         22 |          1        0.01       99.98
         28 |          1        0.01       99.99
         38 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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