Frequencies for first 10,000 rows of pct013e004 variable in sf12010860us35 dataset :

     5 to 9 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,032       90.32       90.32
          1 |        645        6.45       96.77
          2 |        186        1.86       98.63
          3 |         65        0.65       99.28
          4 |         34        0.34       99.62
          5 |         17        0.17       99.79
          6 |          9        0.09       99.88
          7 |          5        0.05       99.93
          9 |          1        0.01       99.94
         12 |          1        0.01       99.95
         13 |          2        0.02       99.97
         15 |          1        0.01       99.98
         16 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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