Oh, that's 'As/Of' - I see what you're asking about now...
'As Of' (or a/o) May 22, 2013 - Which was yesterday. But still, I don't think what they show is correct. The numbers just aren't right, imho - one way or the other, they just don't add up right.
I'm waiting to hear back from them. Maybe they can shine more light on the matter.
- MH