Frequencies for first 10,000 rows of ct_scan_srvc_cd variable in pos2013 datase

  Services: |
    CT Scan |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,601       86.01       86.01
          0 |        920        9.20       95.21
          1 |        366        3.66       98.87
          2 |         77        0.77       99.64
          3 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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