quote author=BakaJepoyYan link=topic=1210149.msg14055977#msg14055977 date=1456809189]
Maybe because of it's unstable exchange rate

[/quote]
No i dont think its is the exchange rate. as you can see the exchange rate is very good.
I think that lack of knowledge of bitcoins to the world and bitcoin not everywhere acceptable can be the two reason.
but things are improving in the favor of bitcoins.