Frequencies for first 10,000 rows of ansthsa_srvc_cd variable in pos2012 datase

   Services |
  Provided: |
 Anesthesia |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |        465        4.65       90.71
          1 |        356        3.56       94.27
          2 |        490        4.90       99.17
          3 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016