sto cardits, star trek online credits

The wonder twins of intelligence over at AT&T recently announced they are going to start capping usage via their systems - 150 GB for DSL and 250 GB for U-Verse. I understand both sides of ther argument and not here to debate that.

Rather, I would like to know how much bandwidth does a game like Star Trek use?

I'll be honest - up until they had the caps I have no idea what I use in a month for page usage or the like. All of it is greek to me. Rather, I guess the better question is whether I need to worry about such caps limiting my STO experience or is it more impacted on other factors on the net.