GRACoL Profile 2013 vs 2006

I am working on a color guide for graphic designers. I have to decide if I'm going to use the 2013 or the 2006 GRACoL profile. I understand that the former is better because it has a more realistic assumption about the colorcast of the paper. However: are printing companies actually using it? Or are they sticking with 2006 so they don't have to change their color control set up?
 
   
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