Frequencies for first 10,000 rows of pct020g004 variable in sf12010860us38 dataset :

    Federal |
  detention |
    centers |
      (101) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,993       99.93       99.93
          2 |          1        0.01       99.94
          3 |          1        0.01       99.95
          4 |          1        0.01       99.96
          8 |          1        0.01       99.97
         20 |          1        0.01       99.98
         29 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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