Frequencies for first 10,000 rows of pct012i094 variable in sf12010860us28 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,494       44.94       44.94
          1 |      1,648       16.48       61.42
          2 |        904        9.04       70.46
          3 |        565        5.65       76.11
          4 |        406        4.06       80.17
          5 |        323        3.23       83.40
          6 |        260        2.60       86.00
          7 |        201        2.01       88.01
          8 |        190        1.90       89.91
          9 |        170        1.70       91.61
         10 |        114        1.14       92.75
         11 |        103        1.03       93.78
         12 |        104        1.04       94.82
         13 |         79        0.79       95.61
         14 |         60        0.60       96.21
         15 |         68        0.68       96.89
         16 |         40        0.40       97.29
         17 |         31        0.31       97.60
         18 |         36        0.36       97.96
         19 |         37        0.37       98.33
         20 |         23        0.23       98.56
         21 |         20        0.20       98.76
         22 |         21        0.21       98.97
         23 |         11        0.11       99.08
         24 |         11        0.11       99.19
         25 |          9        0.09       99.28
         26 |          8        0.08       99.36
         27 |          5        0.05       99.41
         28 |          3        0.03       99.44
         29 |         10        0.10       99.54
         30 |          4        0.04       99.58
         31 |          5        0.05       99.63
         32 |          2        0.02       99.65
         33 |          4        0.04       99.69
         34 |          3        0.03       99.72
         35 |          2        0.02       99.74
         36 |          6        0.06       99.80
         37 |          2        0.02       99.82
         38 |          2        0.02       99.84
         39 |          1        0.01       99.85
         40 |          2        0.02       99.87
         42 |          3        0.03       99.90
         45 |          1        0.01       99.91
         46 |          1        0.01       99.92
         50 |          2        0.02       99.94
         59 |          1        0.01       99.95
         63 |          2        0.02       99.97
         70 |          1        0.01       99.98
         78 |          1        0.01       99.99
         82 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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