Frequencies for first 10,000 rows of pct012d191 variable in sf12010880us23 dataset :

   84 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,903       89.03       89.03
          1 |        575        5.75       94.78
          2 |        214        2.14       96.92
          3 |        106        1.06       97.98
          4 |         54        0.54       98.52
          5 |         41        0.41       98.93
          6 |         24        0.24       99.17
          7 |         17        0.17       99.34
          8 |         13        0.13       99.47
          9 |         13        0.13       99.60
         10 |          3        0.03       99.63
         11 |          5        0.05       99.68
         12 |          3        0.03       99.71
         13 |          3        0.03       99.74
         14 |          3        0.03       99.77
         15 |          4        0.04       99.81
         16 |          1        0.01       99.82
         17 |          1        0.01       99.83
         18 |          4        0.04       99.87
         19 |          2        0.02       99.89
         20 |          2        0.02       99.91
         21 |          1        0.01       99.92
         27 |          2        0.02       99.94
         34 |          1        0.01       99.95
         44 |          1        0.01       99.96
         46 |          2        0.02       99.98
         89 |          1        0.01       99.99
        111 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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