Frequencies for first 10,000 rows of nrsrgcl_srvc_cd variable in pos2018 dataset :

  Services: |
Neurosurgic |
    al Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,560       85.60       85.60
          0 |      1,222       12.22       97.82
          1 |        148        1.48       99.30
          2 |         32        0.32       99.62
          3 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019