Frequencies for first 10,000 rows of pct012094 variable in sf12000860us14 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,862       48.62       48.62
          1 |      1,701       17.01       65.63
          2 |        883        8.83       74.46
          3 |        534        5.34       79.80
          4 |        411        4.11       83.91
          5 |        311        3.11       87.02
          6 |        262        2.62       89.64
          7 |        188        1.88       91.52
          8 |        147        1.47       92.99
          9 |        144        1.44       94.43
         10 |        115        1.15       95.58
         11 |         81        0.81       96.39
         12 |         61        0.61       97.00
         13 |         55        0.55       97.55
         14 |         44        0.44       97.99
         15 |         40        0.40       98.39
         16 |         25        0.25       98.64
         17 |         25        0.25       98.89
         18 |         12        0.12       99.01
         19 |         17        0.17       99.18
         20 |         12        0.12       99.30
         21 |          7        0.07       99.37
         22 |         11        0.11       99.48
         23 |          6        0.06       99.54
         24 |          9        0.09       99.63
         25 |          5        0.05       99.68
         26 |          5        0.05       99.73
         27 |          2        0.02       99.75
         28 |          2        0.02       99.77
         29 |          2        0.02       99.79
         31 |          1        0.01       99.80
         32 |          3        0.03       99.83
         33 |          1        0.01       99.84
         34 |          3        0.03       99.87
         36 |          1        0.01       99.88
         37 |          1        0.01       99.89
         38 |          1        0.01       99.90
         39 |          2        0.02       99.92
         40 |          2        0.02       99.94
         45 |          1        0.01       99.95
         46 |          1        0.01       99.96
         51 |          2        0.02       99.98
         52 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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