Frequencies for first 10,000 rows of prov6235 variable in pos2006 dataset :

       srv: |
psychiatric |
 -emergency |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,710       87.10       87.10
          0 |      1,252       12.52       99.62
          1 |         28        0.28       99.90
          2 |          6        0.06       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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