Frequencies for first 10,000 rows of pct012205 variable in sf12000860us14 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,633       66.33       66.33
          1 |      1,338       13.38       79.71
          2 |        653        6.53       86.24
          3 |        459        4.59       90.83
          4 |        276        2.76       93.59
          5 |        207        2.07       95.66
          6 |        137        1.37       97.03
          7 |         87        0.87       97.90
          8 |         52        0.52       98.42
          9 |         48        0.48       98.90
         10 |         30        0.30       99.20
         11 |         20        0.20       99.40
         12 |         15        0.15       99.55
         13 |         11        0.11       99.66
         14 |         10        0.10       99.76
         15 |          5        0.05       99.81
         16 |          3        0.03       99.84
         17 |          2        0.02       99.86
         18 |          3        0.03       99.89
         19 |          3        0.03       99.92
         20 |          2        0.02       99.94
         22 |          1        0.01       99.95
         25 |          1        0.01       99.96
         27 |          1        0.01       99.97
         29 |          2        0.02       99.99
         31 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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