Frequencies for first 10,000 rows of frnsc_psych_srvc_cd variable in pos2010 dataset :

       SRV: |
PSYCHIATRIC |
 - FORENSIC |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |      1,356       13.56       99.82
          1 |         12        0.12       99.94
          2 |          4        0.04       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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