Frequencies for first 10,000 rows of pct020f012 variable in sf12010860us38 dataset :

(non-correc |
    tional) |
      (202) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,835       98.35       98.35
          1 |         61        0.61       98.96
          2 |         30        0.30       99.26
          3 |         18        0.18       99.44
          4 |         15        0.15       99.59
          5 |          7        0.07       99.66
          6 |          4        0.04       99.70
          7 |          4        0.04       99.74
          8 |          5        0.05       99.79
          9 |          3        0.03       99.82
         10 |          2        0.02       99.84
         11 |          2        0.02       99.86
         12 |          2        0.02       99.88
         13 |          2        0.02       99.90
         14 |          2        0.02       99.92
         15 |          1        0.01       99.93
         18 |          1        0.01       99.94
         21 |          2        0.02       99.96
         22 |          1        0.01       99.97
         23 |          1        0.01       99.98
         25 |          1        0.01       99.99
         32 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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