Frequencies for first 10,000 rows of pct020g012 variable in sf12010880us38 dataset :

(non-correc |
    tional) |
      (202) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,832       98.32       98.32
          1 |         77        0.77       99.09
          2 |         30        0.30       99.39
          3 |         14        0.14       99.53
          4 |         13        0.13       99.66
          5 |          7        0.07       99.73
          6 |          5        0.05       99.78
          7 |          4        0.04       99.82
          8 |          1        0.01       99.83
          9 |          5        0.05       99.88
         10 |          6        0.06       99.94
         11 |          1        0.01       99.95
         12 |          1        0.01       99.96
         13 |          1        0.01       99.97
         14 |          1        0.01       99.98
         18 |          1        0.01       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017