Frequencies for first 10,000 rows of pct012a096 variable in sf12010880us20 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,056       60.56       60.56
          1 |      1,417       14.17       74.73
          2 |        713        7.13       81.86
          3 |        430        4.30       86.16
          4 |        316        3.16       89.32
          5 |        214        2.14       91.46
          6 |        179        1.79       93.25
          7 |        148        1.48       94.73
          8 |        106        1.06       95.79
          9 |         87        0.87       96.66
         10 |         78        0.78       97.44
         11 |         48        0.48       97.92
         12 |         41        0.41       98.33
         13 |         31        0.31       98.64
         14 |         35        0.35       98.99
         15 |         22        0.22       99.21
         16 |         16        0.16       99.37
         17 |         10        0.10       99.47
         18 |         11        0.11       99.58
         19 |          7        0.07       99.65
         20 |          6        0.06       99.71
         21 |          6        0.06       99.77
         22 |          5        0.05       99.82
         23 |          3        0.03       99.85
         24 |          1        0.01       99.86
         25 |          3        0.03       99.89
         26 |          1        0.01       99.90
         28 |          3        0.03       99.93
         29 |          2        0.02       99.95
         31 |          1        0.01       99.96
         40 |          2        0.02       99.98
         43 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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