Lotteria South Korea was founded in 1979, as part of an expansion of the Lotte Group which also included Lotte Chilsung Beverages, Lotte Food and Lotte Ham. Lotteria became the number-one fast food restaurant chain in South Korea. The company achieved a 45% market share in 2001 (compared to 20.1 percent for McDonald's). Lotteria's success was achieved in part by introducing lines of Koreanized fast food including its now signature kimchi burger, leading to it being seen by most Koreans as a native version of most Western-style fast-food restaurants. The company tries to imitate the western idea of fast food through "cleanliness, bright interior, Western pop music as an audio background," with the idea of trying to create "the impression of a 'small piece of America in the middle of Korea'". Their business strategy resulted in growth rates of 10 percent in 2006 and 16 percent in 2007; by 2009, Lotteria had 920 outlets across the country.