Frequencies for first 10,000 rows of pct013e004 variable in sf12000860us31 dataset :

     5 to 9 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,128       91.28       91.28
          1 |        585        5.85       97.13
          2 |        168        1.68       98.81
          3 |         58        0.58       99.39
          4 |         28        0.28       99.67
          5 |         12        0.12       99.79
          6 |          6        0.06       99.85
          7 |          5        0.05       99.90
          8 |          4        0.04       99.94
          9 |          1        0.01       99.95
         10 |          1        0.01       99.96
         11 |          2        0.02       99.98
         14 |          1        0.01       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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