Frequencies for first 10,000 rows of ip_srgcl_srvc_cd variable in pos2005 dataset :

       srv: |
   surgical |
services-in |
    patient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,731       87.31       87.31
          0 |        430        4.30       91.61
          1 |        774        7.74       99.35
          2 |         40        0.40       99.75
          3 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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