Here's the requisite graph http://i.imgur.com/hsUDE.png
UPDATE: here's an illustration. compare this: http://i.imgur.com/f3m25.png to this: http://i.imgur.com/6z2cS.png (those two graphs represent the same data)
I'd much rather see the detail that zoom gives.
Heise.de got it directly from Hetzner, they acknowledge and thank them for providing it in the update of the article