Frequencies for first 10,000 rows of pct012a097 variable in sf12010880us20 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,590       65.90       65.90
          1 |      1,348       13.48       79.38
          2 |        625        6.25       85.63
          3 |        408        4.08       89.71
          4 |        279        2.79       92.50
          5 |        202        2.02       94.52
          6 |        141        1.41       95.93
          7 |        108        1.08       97.01
          8 |         87        0.87       97.88
          9 |         51        0.51       98.39
         10 |         53        0.53       98.92
         11 |         25        0.25       99.17
         12 |         15        0.15       99.32
         13 |         15        0.15       99.47
         14 |          8        0.08       99.55
         15 |         12        0.12       99.67
         16 |          5        0.05       99.72
         17 |          7        0.07       99.79
         18 |          4        0.04       99.83
         19 |          2        0.02       99.85
         20 |          2        0.02       99.87
         21 |          2        0.02       99.89
         22 |          1        0.01       99.90
         23 |          1        0.01       99.91
         24 |          1        0.01       99.92
         25 |          3        0.03       99.95
         27 |          1        0.01       99.96
         29 |          1        0.01       99.97
         33 |          2        0.02       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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