For me, that page hasn't updated in ~12 hours. It would be nice if they labeled their axis though, it's really annoying to figure out the scale at the moment.
Since the chart isn't live, here is my hack:
http://ownu.net/rate.txt
(Nobody wants to see the code behind this :)
http://movebits.net/2013/07/23/ubuntu-edge-funding-level/