Frequencies for first 10,000 rows of pct012a207 variable in sf12010860us20 dataset :

 100 to 104 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,465       64.65       64.65
          1 |      1,326       13.26       77.91
          2 |        644        6.44       84.35
          3 |        435        4.35       88.70
          4 |        297        2.97       91.67
          5 |        230        2.30       93.97
          6 |        150        1.50       95.47
          7 |        108        1.08       96.55
          8 |         73        0.73       97.28
          9 |         57        0.57       97.85
         10 |         52        0.52       98.37
         11 |         46        0.46       98.83
         12 |         21        0.21       99.04
         13 |         29        0.29       99.33
         14 |         11        0.11       99.44
         15 |          9        0.09       99.53
         16 |          9        0.09       99.62
         17 |          4        0.04       99.66
         18 |         10        0.10       99.76
         19 |          7        0.07       99.83
         20 |          1        0.01       99.84
         21 |          1        0.01       99.85
         23 |          3        0.03       99.88
         24 |          2        0.02       99.90
         25 |          3        0.03       99.93
         26 |          2        0.02       99.95
         27 |          1        0.01       99.96
         30 |          2        0.02       99.98
         34 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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