Frequencies for first 10,000 rows of ip_srgcl_srvc_cd variable in pos2000 dataset :

       srv: |
  inpatient |
   surgical |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,871       88.71       88.71
          0 |        381        3.81       92.52
          1 |        702        7.02       99.54
          2 |         31        0.31       99.85
          3 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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