Frequencies for first 10,000 rows of prov1745 variable in pos2001 dataset :

rehabilitat |
   ion unit |
   terminat |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,825       98.25       98.25
          0 |        135        1.35       99.60
          1 |         23        0.23       99.83
          3 |          1        0.01       99.84
          4 |          1        0.01       99.85
          7 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016