Frequencies for first 10,000 rows of dgnstc_rdlgy_srvc_cd variable in pos2009 dataset :

       SRV: |
  RADIOLOGY |
(THERAPEUTI |
         C) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          0 |        874        8.74       95.12
          1 |        268        2.68       97.80
          2 |        162        1.62       99.42
          3 |         58        0.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017