Frequencies for first 10,000 rows of rehab_unit_trmntn_cd variable in pos2005 dataset :

rehabilitat |
   ion unit |
   terminat |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,809       98.09       98.09
          0 |        141        1.41       99.50
          1 |         32        0.32       99.82
          3 |          1        0.01       99.83
          4 |          2        0.02       99.85
          7 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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