Frequencies for first 10,000 rows of ct_scan_srvc_cd variable in pos2015 datase

  Services: |
    CT Scan |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,580       85.80       85.80
          0 |        898        8.98       94.78
          1 |        402        4.02       98.80
          2 |         78        0.78       99.58
          3 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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