Frequencies for first 10,000 rows of pet_scan_srvc_cd variable in pos2013 datas

  Services: |
   PET Scan |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,601       86.01       86.01
          0 |      1,264       12.64       98.65
          1 |         43        0.43       99.08
          2 |         67        0.67       99.75
          3 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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