Frequencies for first 10,000 rows of ip_srgcl_srvc_cd variable in pos2008 dataset :

       srv: |
   surgical |
services-in |
    patient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |        467        4.67       91.22
          1 |        809        8.09       99.31
          2 |         40        0.40       99.71
          3 |         29        0.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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