A first draft. The lines are for the UK, Belgium, France, Austria and Germany (which just passed Portugal).
I think one can see fairly consistent exponential decay across countries. The last peak is due to the Guardian, and one can also see the effect of today's mentions in the German press.
Note that "region" is not "nationality". A lot of the "France" signatures are British citizens. We have met the enemy, and he is us — Pogo
and I mentioned it on a web site earlier today