Frequencies for first 10,000 rows of rehab_unit_trmntn_cd variable in pos2009 dataset :

REHABILITAT |
   ION UNIT |
   TERMINAT |
       CODE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,798       97.98       97.98
          0 |        147        1.47       99.45
          1 |         36        0.36       99.81
          3 |          1        0.01       99.82
          4 |          3        0.03       99.85
          7 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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