Frequencies for first 10,000 rows of nrsrgcl_srvc_cd variable in pos2016 dataset :

  Services: |
Neurosurgic |
    al Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,234       12.34       98.03
          1 |        132        1.32       99.35
          2 |         30        0.30       99.65
          3 |         35        0.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017