Frequencies for first 10,000 rows of mgntc_rsnc_img_srvc_cd variable in pos2012

   Services |
  Provided: |
   Magnetic |
  Resonance |
     Imagin |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |      1,033       10.33       96.39
          1 |        204        2.04       98.43
          2 |        135        1.35       99.78
          3 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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