In Malaysia, for example, 4D is estimated to account for over 70% of all revenue. https://score.ws/%EB%A1%9C%EB%98%90%ED%86%B5%EA%B3%84%EB%B6%84%EC%84%9D-%EC%88%AB%EC%9E%90%EC%97%90-%EC%88%A8%EA%B2%A8%EC%A7%84-%EB%B9%84%EB%B0%80%EC%9D%84-%EC%B0%BE%EC%95%84%EC%84%9C/