<Li>: programs that may be inappropriate for children under 15 . Most dramas and talk shows are rated this way . These programs may include moderate or strong adult themes, language, sexual inference, and violence . </Li> <Li>: programs intended for adults only . These programs might include adult themes, sexual situations, frequent use of strong language and disturbing scenes of violence . </Li> <P> According to a researcher at the University of Vienna, popularity of Korean dramas have their foundation in Confucian values they transmit, which Asian viewers can easily identify with . Respect for elders, filial piety, family - orientedness, and the display of perceived "Asian moral values" play an important role in Korean series . YA Entertainment, the American distributor of Korean dramas, believes that part of the attractiveness of these series come from the quality of camera work, scenic locations, and spectacular costumes, which make the "final product is very stylish and attractive, with arguably some of the highest TV production values in the world ." Korean series follow their own formula, are innovative and don't conform to Western television productions . Stephan Lee from Entertainment Weekly called Korean dramas "fascinating and weirdly comforting". </P> <P> Exports of Korean series yielded US $37.5 million in 2003, which was three times higher than the amount reached in 1999 . According to data from Korea Creative Content Agency, in 2013 K - dramas constituted 82% of the culture content export of South Korea, with an income of $167 million, which is four times more than a decade before . </P>

10th highest rated korean drama of all time