Headscratchers / Hamtaro

Why did they stop translating the show? In a few other countries they made it to at least the end of season 4 and at least one of the movies had a Finnish dub. So why did The Ocean Group stopped dubbing? Did they just decide it wasn't that popular?
http://tvtropes.org/pmwiki/pmwiki.php/Headscratchers/Hamtaro