Not everyone who plays on a server plays at the same time, so you're pulling from a pool of players when at the time of you posting, at least where I am from, is 1:30 in the morning. Try doing it either early in the morning or around 6 pm for better results. It should also be worth mentioning that Ravana EX is not only a trial that is now skippable since it only grants i190 stuff, but it's also gated behind Bismarck EX. This is why the player count has dropped so low for it.