Frequencies for first 10,000 rows of pct0210168 variable in sf12010860us19 dataset :

    Federal |
    prisons |
      (102) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,997       99.97       99.97
          2 |          1        0.01       99.98
         12 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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