Frequencies for first 10,000 rows of PCT012B198 variable in sf12000860us17 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,209       82.09       82.09
          1 |        833        8.33       90.42
          2 |        336        3.36       93.78
          3 |        185        1.85       95.63
          4 |        103        1.03       96.66
          5 |         63        0.63       97.29
          6 |         45        0.45       97.74
          7 |         44        0.44       98.18
          8 |         28        0.28       98.46
          9 |         20        0.20       98.66
         10 |         23        0.23       98.89
         11 |         21        0.21       99.10
         12 |         11        0.11       99.21
         13 |          9        0.09       99.30
         14 |          5        0.05       99.35
         15 |         13        0.13       99.48
         16 |          5        0.05       99.53
         17 |          6        0.06       99.59
         18 |          2        0.02       99.61
         19 |          3        0.03       99.64
         20 |          6        0.06       99.70
         21 |          4        0.04       99.74
         22 |          4        0.04       99.78
         23 |          2        0.02       99.80
         24 |          3        0.03       99.83
         25 |          1        0.01       99.84
         26 |          4        0.04       99.88
         27 |          2        0.02       99.90
         28 |          3        0.03       99.93
         29 |          2        0.02       99.95
         30 |          1        0.01       99.96
         31 |          1        0.01       99.97
         35 |          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