I am playing in Europe for about 12 months, and while the game is still going on, the number of players doesn't increase...some are joining, and about the equal

I am playing in Europe for about 12 months, and while the game is still going on, the number of players doesn't increase...some are joining, and about the equal amount leaves. So I wonder if the game had its peak already. After a few months it becomes kind of repetitive... but anyway, it's a good game, I enjoy playing it, especially if I come to some new city.