Frequencies for first 10,000 rows of pct012j198 variable in sf12000860us25 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,278       82.78       82.78
          1 |        807        8.07       90.85
          2 |        315        3.15       94.00
          3 |        177        1.77       95.77
          4 |        103        1.03       96.80
          5 |         56        0.56       97.36
          6 |         43        0.43       97.79
          7 |         46        0.46       98.25
          8 |         26        0.26       98.51
          9 |         19        0.19       98.70
         10 |         22        0.22       98.92
         11 |         19        0.19       99.11
         12 |         11        0.11       99.22
         13 |          9        0.09       99.31
         14 |          8        0.08       99.39
         15 |         10        0.10       99.49
         16 |          5        0.05       99.54
         17 |          5        0.05       99.59
         18 |          2        0.02       99.61
         19 |          4        0.04       99.65
         20 |          7        0.07       99.72
         21 |          6        0.06       99.78
         22 |          2        0.02       99.80
         23 |          1        0.01       99.81
         24 |          3        0.03       99.84
         25 |          1        0.01       99.85
         26 |          4        0.04       99.89
         27 |          2        0.02       99.91
         28 |          3        0.03       99.94
         29 |          2        0.02       99.96
         31 |          1        0.01       99.97
         34 |          1        0.01       99.98
         39 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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