Frequencies for first 10,000 rows of pct012a203 variable in sf12010860us20 dataset :

   96 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,332       53.32       53.32
          1 |      1,494       14.94       68.26
          2 |        751        7.51       75.77
          3 |        467        4.67       80.44
          4 |        333        3.33       83.77
          5 |        268        2.68       86.45
          6 |        239        2.39       88.84
          7 |        208        2.08       90.92
          8 |        148        1.48       92.40
          9 |        121        1.21       93.61
         10 |         97        0.97       94.58
         11 |         96        0.96       95.54
         12 |         78        0.78       96.32
         13 |         64        0.64       96.96
         14 |         53        0.53       97.49
         15 |         35        0.35       97.84
         16 |         44        0.44       98.28
         17 |         19        0.19       98.47
         18 |         23        0.23       98.70
         19 |         24        0.24       98.94
         20 |         14        0.14       99.08
         21 |         19        0.19       99.27
         22 |         11        0.11       99.38
         23 |         11        0.11       99.49
         24 |          6        0.06       99.55
         25 |          4        0.04       99.59
         26 |          7        0.07       99.66
         27 |          1        0.01       99.67
         28 |          4        0.04       99.71
         29 |          4        0.04       99.75
         30 |          5        0.05       99.80
         31 |          2        0.02       99.82
         34 |          2        0.02       99.84
         35 |          1        0.01       99.85
         36 |          2        0.02       99.87
         37 |          4        0.04       99.91
         38 |          2        0.02       99.93
         41 |          2        0.02       99.95
         42 |          2        0.02       99.97
         47 |          1        0.01       99.98
         49 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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