Frequencies for first 10,000 rows of pct020i004 variable in sf12010880us38 dataset :

    Federal |
  detention |
    centers |
      (101) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,989       99.89       99.89
          1 |          1        0.01       99.90
          4 |          1        0.01       99.91
         30 |          1        0.01       99.92
         43 |          1        0.01       99.93
         55 |          1        0.01       99.94
         71 |          1        0.01       99.95
        118 |          1        0.01       99.96
        212 |          1        0.01       99.97
        222 |          1        0.01       99.98
        269 |          1        0.01       99.99
        344 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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