You don't expect us to download a file from that site do you? It would be great to share your findings here, plus, what exactly do you mean by plotting the keys on a curve? Because to my understanding, if you can locate a point on a curve, you can solve it's key, I don't know, I'm not familiar with those things.
But if there is a pattern as you suggest, it might be due to the fact that he generated them himself by unknown means to us and yet known only to him.
Besides, if he had broken the code back in 2009, he would be ruling the whole world by now, all I can see there are a bunch of degenerate old fu*ks trying to rule the world, and they don't seem to know anything about ECC. 😉