Frequencies for first 10,000 rows of pct013e003 variable in sf12000860us31 dataset :

    Under 5 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,097       90.97       90.97
          1 |        620        6.20       97.17
          2 |        159        1.59       98.76
          3 |         65        0.65       99.41
          4 |         25        0.25       99.66
          5 |         11        0.11       99.77
          6 |         10        0.10       99.87
          7 |          5        0.05       99.92
          8 |          4        0.04       99.96
          9 |          1        0.01       99.97
         10 |          1        0.01       99.98
         12 |          1        0.01       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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