Frequencies for first 10,000 rows of pct012b196 variable in sf12010860us21 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,524       75.24       75.24
          1 |        909        9.09       84.33
          2 |        456        4.56       88.89
          3 |        289        2.89       91.78
          4 |        166        1.66       93.44
          5 |        141        1.41       94.85
          6 |         85        0.85       95.70
          7 |         54        0.54       96.24
          8 |         51        0.51       96.75
          9 |         41        0.41       97.16
         10 |         31        0.31       97.47
         11 |         23        0.23       97.70
         12 |         22        0.22       97.92
         13 |         22        0.22       98.14
         14 |         23        0.23       98.37
         15 |         17        0.17       98.54
         16 |         10        0.10       98.64
         17 |         14        0.14       98.78
         18 |          6        0.06       98.84
         19 |         12        0.12       98.96
         20 |          8        0.08       99.04
         21 |          8        0.08       99.12
         22 |          3        0.03       99.15
         23 |          6        0.06       99.21
         24 |          6        0.06       99.27
         25 |          4        0.04       99.31
         26 |          9        0.09       99.40
         27 |          6        0.06       99.46
         28 |          2        0.02       99.48
         29 |          6        0.06       99.54
         30 |          4        0.04       99.58
         31 |          3        0.03       99.61
         32 |          5        0.05       99.66
         33 |          2        0.02       99.68
         34 |          3        0.03       99.71
         35 |          2        0.02       99.73
         36 |          2        0.02       99.75
         38 |          1        0.01       99.76
         39 |          1        0.01       99.77
         41 |          1        0.01       99.78
         42 |          1        0.01       99.79
         43 |          1        0.01       99.80
         44 |          2        0.02       99.82
         45 |          2        0.02       99.84
         46 |          4        0.04       99.88
         47 |          1        0.01       99.89
         48 |          1        0.01       99.90
         51 |          1        0.01       99.91
         55 |          1        0.01       99.92
         62 |          1        0.01       99.93
         67 |          1        0.01       99.94
         70 |          1        0.01       99.95
         71 |          1        0.01       99.96
         72 |          1        0.01       99.97
         75 |          1        0.01       99.98
         77 |          1        0.01       99.99
         81 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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