Frequencies for first 10,000 rows of prov1705 variable in pos1991 dataset :

psychiatric |
       unit |
termination |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,816       98.16       98.16
          0 |        137        1.37       99.53
          1 |         10        0.10       99.63
          2 |          1        0.01       99.64
          4 |          1        0.01       99.65
          5 |          3        0.03       99.68
          7 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016