Frequencies for first 10,000 rows of frnsc_psych_srvc_cd variable in pos2009 dataset :

       SRV: |
PSYCHIATRIC |
 - FORENSIC |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          0 |      1,343       13.43       99.81
          1 |         11        0.11       99.92
          2 |          5        0.05       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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