 Complete the following phrase:  Since 2001, Hamar Olympic Amphitreatre has hosted the annual Idrettsgallaen, a television show that honors the past years Norwegian sports and athlete achievements. Hamar was selected to host the event because its main sponsor, the national lottery company Norsk Tipping, has its head office in Hamar. Idrettsgallaen is held in early January, when many of winter sports athletes are home and the summer athletes are off season. In 2010, Idrettsgallaen was hosted in Lillehammer because the weekend clashed with the 