Frequencies for first 10,000 rows of pct012n165 variable in sf12000860us29 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,651       96.51       96.51
          1 |        260        2.60       99.11
          2 |         48        0.48       99.59
          3 |         17        0.17       99.76
          4 |          6        0.06       99.82
          5 |          6        0.06       99.88
          6 |          5        0.05       99.93
          7 |          2        0.02       99.95
          8 |          1        0.01       99.96
          9 |          1        0.01       99.97
         13 |          2        0.02       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017