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

  Services: |
 Anesthesia |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |        475        4.75       90.44
          1 |        347        3.47       93.91
          2 |        509        5.09       99.00
          3 |        100        1.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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