Frequencies for first 10,000 rows of p0320031 variable in sf12010860us6 dataset :

    Under 3 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,688       96.88       96.88
          1 |         95        0.95       97.83
          2 |         56        0.56       98.39
          3 |         39        0.39       98.78
          4 |         26        0.26       99.04
          5 |         23        0.23       99.27
          6 |         16        0.16       99.43
          7 |          8        0.08       99.51
          8 |         12        0.12       99.63
          9 |          9        0.09       99.72
         10 |          5        0.05       99.77
         11 |          2        0.02       99.79
         12 |          1        0.01       99.80
         13 |          1        0.01       99.81
         14 |          3        0.03       99.84
         15 |          3        0.03       99.87
         16 |          2        0.02       99.89
         17 |          2        0.02       99.91
         19 |          1        0.01       99.92
         25 |          1        0.01       99.93
         28 |          1        0.01       99.94
         33 |          1        0.01       99.95
         41 |          1        0.01       99.96
         45 |          1        0.01       99.97
         61 |          1        0.01       99.98
         76 |          1        0.01       99.99
        151 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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