Frequencies for first 10,000 rows of pct012l194 variable in sf12010860us31 dataset :

   87 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,110       91.10       91.10
          1 |        529        5.29       96.39
          2 |        163        1.63       98.02
          3 |         78        0.78       98.80
          4 |         27        0.27       99.07
          5 |         21        0.21       99.28
          6 |         23        0.23       99.51
          7 |         12        0.12       99.63
          8 |          9        0.09       99.72
          9 |          6        0.06       99.78
         10 |          2        0.02       99.80
         11 |          4        0.04       99.84
         12 |          2        0.02       99.86
         13 |          1        0.01       99.87
         14 |          2        0.02       99.89
         16 |          1        0.01       99.90
         18 |          1        0.01       99.91
         19 |          1        0.01       99.92
         20 |          1        0.01       99.93
         21 |          1        0.01       99.94
         25 |          1        0.01       99.95
         26 |          1        0.01       99.96
         30 |          1        0.01       99.97
         46 |          1        0.01       99.98
         48 |          1        0.01       99.99
         95 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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