4% is according to WOWHead, however all WWS reports point to it being closer to 9%, which means that WH is full of shit and could be taken with a grain of salt.
Originally Posted by Anias
queues cause people who generally fail to leave, so being on a server with queues can only be good in terms of your long term happiness
Originally Posted by Kiyoshi
Season 3 was pretty serious business. There's really no telling what Season 4 will hold.