Great graphic I agree sources should be included. It would be incredibly illustrative if a similar chart were constructed for 2016, 2012, 2008, etc .. though there is probably much less data going back.
Great graphic
I agree sources should be included.
It would be incredibly illustrative if a similar chart were constructed for 2016, 2012, 2008, etc
.. though there is probably much less data going back.
(post is archived)