Question About AFK Please Help

Hello, Today I was playing a game but I needed to leave it at the 20 to 25 min mark sorry bout that but while I gets AFK ban cuz before the last ban of 20 min I played more then 100 or 80 games while I get a ban for these or if I get a ban will it be 20 min ban or will it start again from 5. The game is in my match history Thanks