Frequencies for first 10,000 rows of pct012093 variable in sf12000860us14 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,341       43.41       43.41
          1 |      1,655       16.55       59.96
          2 |        920        9.20       69.16
          3 |        623        6.23       75.39
          4 |        435        4.35       79.74
          5 |        353        3.53       83.27
          6 |        272        2.72       85.99
          7 |        201        2.01       88.00
          8 |        171        1.71       89.71
          9 |        159        1.59       91.30
         10 |        121        1.21       92.51
         11 |        125        1.25       93.76
         12 |         99        0.99       94.75
         13 |         80        0.80       95.55
         14 |         71        0.71       96.26
         15 |         55        0.55       96.81
         16 |         43        0.43       97.24
         17 |         46        0.46       97.70
         18 |         37        0.37       98.07
         19 |         20        0.20       98.27
         20 |         23        0.23       98.50
         21 |         12        0.12       98.62
         22 |         24        0.24       98.86
         23 |         19        0.19       99.05
         24 |         11        0.11       99.16
         25 |          4        0.04       99.20
         26 |          9        0.09       99.29
         27 |         12        0.12       99.41
         28 |          6        0.06       99.47
         29 |          3        0.03       99.50
         30 |          6        0.06       99.56
         31 |          8        0.08       99.64
         32 |          2        0.02       99.66
         33 |          5        0.05       99.71
         34 |          2        0.02       99.73
         35 |          2        0.02       99.75
         36 |          4        0.04       99.79
         38 |          2        0.02       99.81
         39 |          4        0.04       99.85
         40 |          2        0.02       99.87
         42 |          1        0.01       99.88
         48 |          1        0.01       99.89
         53 |          1        0.01       99.90
         54 |          2        0.02       99.92
         58 |          4        0.04       99.96
         59 |          1        0.01       99.97
         60 |          1        0.01       99.98
         61 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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