The South Korean government requires a portion of revenues from each industries. http://Xf4.org/proxy.php?link=https://qoueo.thekatyblog.com/26956941/%ec%b9%b4%ec%a7%80%eb%85%b8%ec%82%ac%ec%9d%b4%ed%8a%b8-%ec%98%a8%ec%b9%b4%ec%97%90%ec%84%9c%ec%9d%98-%ec%b5%9c%ea%b3%a0%ec%9d%98-%ea%b2%8c%ec%9e%84-%ea%b2%bd%ed%97%98