Frequencies for first 10,000 rows of rehab_unit_trmntn_cd variable in pos2018 dataset :

Rehabilitat |
   ion Unit |
Termination |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      9,782       97.82       97.82
          0 |        146        1.46       99.28
          1 |         53        0.53       99.81
          4 |          3        0.03       99.84
          6 |          1        0.01       99.85
          7 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019