Frequencies for first 10,000 rows of pct012o061 variable in sf12010860us34 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,519       75.19       75.19
          1 |      1,499       14.99       90.18
          2 |        533        5.33       95.51
          3 |        223        2.23       97.74
          4 |        102        1.02       98.76
          5 |         51        0.51       99.27
          6 |         28        0.28       99.55
          7 |         17        0.17       99.72
          8 |         12        0.12       99.84
          9 |          6        0.06       99.90
         10 |          2        0.02       99.92
         11 |          3        0.03       99.95
         12 |          1        0.01       99.96
         18 |          2        0.02       99.98
         27 |          1        0.01       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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