Frequencies for first 10,000 rows of prov1705 variable in pos1997 dataset :

psychiatric |
       unit |
termination |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,722       97.22       97.22
          0 |        197        1.97       99.19
          1 |         44        0.44       99.63
          2 |          1        0.01       99.64
          3 |          2        0.02       99.66
          4 |          2        0.02       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 , 26 Jan 2016