Frequencies for first 10,000 rows of psych_unit_trmntn_cd variable in pos1992 dataset :

psychiatric |
       unit |
termination |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,795       97.95       97.95
          0 |        157        1.57       99.52
          1 |         11        0.11       99.63
          2 |          1        0.01       99.64
          4 |          1        0.01       99.65
          5 |          4        0.04       99.69
          7 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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