Frequencies for first 10,000 rows of pct012i207 variable in sf12000860us24 dataset :

 100 to 104 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,750       67.50       67.50
          1 |      1,348       13.48       80.98
          2 |        601        6.01       86.99
          3 |        404        4.04       91.03
          4 |        260        2.60       93.63
          5 |        186        1.86       95.49
          6 |        124        1.24       96.73
          7 |         80        0.80       97.53
          8 |         67        0.67       98.20
          9 |         43        0.43       98.63
         10 |         30        0.30       98.93
         11 |         34        0.34       99.27
         12 |         17        0.17       99.44
         13 |         11        0.11       99.55
         14 |         14        0.14       99.69
         15 |          8        0.08       99.77
         16 |          4        0.04       99.81
         17 |          1        0.01       99.82
         18 |          3        0.03       99.85
         19 |          4        0.04       99.89
         20 |          2        0.02       99.91
         23 |          4        0.04       99.95
         25 |          1        0.01       99.96
         26 |          3        0.03       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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