Frequencies for first 10,000 rows of pct012f194 variable in sf12000860us21 dataset :

   87 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,579       95.79       95.79
          1 |        247        2.47       98.26
          2 |         79        0.79       99.05
          3 |         36        0.36       99.41
          4 |         21        0.21       99.62
          5 |         12        0.12       99.74
          6 |          8        0.08       99.82
          7 |          7        0.07       99.89
          8 |          2        0.02       99.91
          9 |          3        0.03       99.94
         10 |          3        0.03       99.97
         13 |          1        0.01       99.98
         14 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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