NDS Online Bandwidth Use

Does anyone know how much bandwidth per say hour or day that the DS uses to play online over WiFi
I know itd depend on the game so lets say something demanding like MPH.I ask because ive recently moved and due to the stupid lines here ive had to switch providers, no more unlimited internet, Im confined to 20gigs per month which I use rather quickly.Lmao just noticed there's a face palm button added :)
This is for you Telstraclear :p
[facepalm]

I would imagine not very much, I play online games a lot (world of warcraft) and bandwidth use is rarely more than a few MB per session even if im playing for hours

the ds top download speed is about 8kb/s so i would think it would take a lot of playing ds to get to 20 gigs and that might not even be how much the game uses

Kb or KB?

Cheers loony and co. I fugured it wouldnt be alot but just wanted to check :)