Frequencies for first 10,000 rows of psych_unit_trmntn_cd variable in pos1996 dataset :

psychiatric |
       unit |
termination |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,734       97.34       97.34
          0 |        196        1.96       99.30
          1 |         35        0.35       99.65
          2 |          1        0.01       99.66
          3 |          1        0.01       99.67
          4 |          1        0.01       99.68
          5 |          3        0.03       99.71
          7 |         29        0.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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