If we have a regression line for 2013, it seems logical that we should be basing any price estimations on that. For some reason 2012 is getting used a lot, and so 2011 gets ignored. Based off that same logic, shouldn't we be using 2013 data and ignoring 2012?
What is the reason for using the 2012 instead of 2013 regression line?
Edit: for example, would it not be better for your Feb 14th report to have focused on the 2013 regression line?