Frequencies for first 10,000 rows of pct020c005 variable in sf12010860us37 dataset :

    Federal |
    prisons |
      (102) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,974       99.74       99.74
          1 |          2        0.02       99.76
          4 |          1        0.01       99.77
          5 |          1        0.01       99.78
          9 |          1        0.01       99.79
         10 |          1        0.01       99.80
         15 |          1        0.01       99.81
         16 |          1        0.01       99.82
         18 |          1        0.01       99.83
         19 |          2        0.02       99.85
         20 |          1        0.01       99.86
         23 |          1        0.01       99.87
         24 |          1        0.01       99.88
         25 |          1        0.01       99.89
         26 |          2        0.02       99.91
         30 |          1        0.01       99.92
         34 |          2        0.02       99.94
         35 |          2        0.02       99.96
         51 |          2        0.02       99.98
         57 |          1        0.01       99.99
        101 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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