Frequencies for first 10,000 rows of pct012o058 variable in sf12000860us30 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,994       79.94       79.94
          1 |      1,175       11.75       91.69
          2 |        402        4.02       95.71
          3 |        184        1.84       97.55
          4 |         77        0.77       98.32
          5 |         49        0.49       98.81
          6 |         33        0.33       99.14
          7 |         24        0.24       99.38
          8 |         17        0.17       99.55
          9 |         11        0.11       99.66
         10 |          6        0.06       99.72
         11 |          3        0.03       99.75
         12 |          5        0.05       99.80
         13 |          3        0.03       99.83
         14 |          6        0.06       99.89
         15 |          2        0.02       99.91
         16 |          1        0.01       99.92
         17 |          4        0.04       99.96
         22 |          2        0.02       99.98
         28 |          1        0.01       99.99
         42 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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