Each week I'll quote the previous week's chart, and post the new one. That way you can follow the chain of links back through time.
Here's this week's:

Great job this week guys. Your coins worked hard for us and somehow managed to retain over 5% of the amount wagered!

I'll post a list of the 10 most recent weekly returns each week too. The first number each week is the weekly return, and the 2nd is the cumulative return since launch in June 2013:
Apr 7 2014 1.35% 132.73%
Apr 14 2014 0.90% 133.93%
Apr 21 2014 1.01% 135.28%
Apr 28 2014 0.85% 136.43%
May 5 2014 0.56% 137.20%
May 12 2014 0.32% 137.63%
May 19 2014 1.05% 139.07%
May 26 2014 0.35% 139.56%
Jun 2 2014 0.22% 139.87%
Jun 9 2014 2.06% 142.75%