Frequencies for first 10,000 rows of pet_scan_srvc_cd variable in pos2017 datas

  Services: |
   PET Scan |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,276       12.76       98.45
          1 |         64        0.64       99.09
          2 |         69        0.69       99.78
          3 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018