Complex sentence: By 2008, an average of 30,000 Japanese had killed themselves every year for 10 years, according to the Yomiuri Shinbun; in 2007 274 Japanese school children took their own lives.
Split into simpler sentences: By 2008, an average of 30,000 Japanese had killed themselves every year for 10 years, according to the Yomiuri Shinbun. In 2007 274 Japanese school children took their own lives.