stats are incomplete without the need of taking into consideration gender engagement. http://git.fandiyuan.com/eleanorecaznea/major-site-2085/wiki/%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EB%B6%84%EC%84%9D%3A-%EC%95%88%EC%A0%84%ED%95%9C-%EC%8A%A4%ED%8F%AC%EC%B8%A0-%EB%B2%A0%ED%8C%85%EC%9D%98-%EA%B8%B8%EC%9E%A1%EC%9D%B4
