Frequencies for first 10,000 rows of pct012i097 variable in sf12010860us28 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,170       61.70       61.70
          1 |      1,540       15.40       77.10
          2 |        745        7.45       84.55
          3 |        483        4.83       89.38
          4 |        302        3.02       92.40
          5 |        217        2.17       94.57
          6 |        143        1.43       96.00
          7 |        110        1.10       97.10
          8 |         74        0.74       97.84
          9 |         54        0.54       98.38
         10 |         55        0.55       98.93
         11 |         25        0.25       99.18
         12 |         16        0.16       99.34
         13 |         12        0.12       99.46
         14 |         14        0.14       99.60
         15 |          9        0.09       99.69
         16 |          4        0.04       99.73
         17 |         10        0.10       99.83
         18 |          1        0.01       99.84
         19 |          4        0.04       99.88
         21 |          2        0.02       99.90
         22 |          1        0.01       99.91
         23 |          2        0.02       99.93
         24 |          2        0.02       99.95
         27 |          1        0.01       99.96
         29 |          1        0.01       99.97
         32 |          1        0.01       99.98
         33 |          1        0.01       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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