Frequencies for first 10,000 rows of pct012i096 variable in sf12010860us28 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,563       55.63       55.63
          1 |      1,608       16.08       71.71
          2 |        852        8.52       80.23
          3 |        502        5.02       85.25
          4 |        358        3.58       88.83
          5 |        239        2.39       91.22
          6 |        186        1.86       93.08
          7 |        165        1.65       94.73
          8 |        101        1.01       95.74
          9 |         90        0.90       96.64
         10 |         79        0.79       97.43
         11 |         46        0.46       97.89
         12 |         38        0.38       98.27
         13 |         35        0.35       98.62
         14 |         36        0.36       98.98
         15 |         28        0.28       99.26
         16 |         15        0.15       99.41
         17 |         11        0.11       99.52
         18 |          7        0.07       99.59
         19 |          8        0.08       99.67
         20 |          5        0.05       99.72
         21 |          7        0.07       99.79
         22 |          4        0.04       99.83
         23 |          1        0.01       99.84
         24 |          3        0.03       99.87
         25 |          2        0.02       99.89
         26 |          2        0.02       99.91
         27 |          1        0.01       99.92
         28 |          2        0.02       99.94
         29 |          1        0.01       99.95
         31 |          1        0.01       99.96
         39 |          1        0.01       99.97
         40 |          1        0.01       99.98
         43 |          1        0.01       99.99
         48 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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