The new look "Votes Cast" in user profile is very informative and a good idea from Stack Exchange team. But it seems to have a flaw of not displaying the vote downs correctly.
I have down voted ONLY twice and I am sure of that. I did run a query and found the following data:
Where as, my profile shows 0 down votes:
Now, to be sure, I checked the data of other users and found both vote down and vote ups messed up. One of my sample was Darin Dimitrov. It seems both his values are not correct.