Frequencies for first 10,000 rows of frnsc_psych_srvc_cd variable in pos2007 dataset :

       srv: |
psychiatric |
 - forensic |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |      1,305       13.05       99.87
          1 |          8        0.08       99.95
          2 |          2        0.02       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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