Frequencies for first 10,000 rows of pct012d086 variable in sf12000860us19 dataset :

   83 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,428       94.28       94.28
          1 |        384        3.84       98.12
          2 |         89        0.89       99.01
          3 |         45        0.45       99.46
          4 |         21        0.21       99.67
          5 |          9        0.09       99.76
          6 |          8        0.08       99.84
          7 |          2        0.02       99.86
          8 |          3        0.03       99.89
          9 |          2        0.02       99.91
         10 |          1        0.01       99.92
         11 |          3        0.03       99.95
         13 |          1        0.01       99.96
         22 |          2        0.02       99.98
         33 |          1        0.01       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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