official sunrise is usually 16 February, but most of the town is still in shadow due to the surrounding mountains). Dark Season Blues has been held annually in October since 2003. Polarjazz has been held in late January/early February since 1998. Twenty residents of the town are members of the Liverbirds Svalbard and regularly meet in the Svalbar on match days during the winter months. Arctic Film Festival is a film festival which held annually in the city's screening venue, Kulturhuset. Longyearbyen is served by Arctic Outpost AM radio 1270. Economy Coal production peaked in 2007 at 4.1 million tonnes, and reduced to 1.1 million tonnes in 2015. The only mining still taking place in Longyearbyen is at Mine 7, up Adventdalen. In 2012 it produced of coal annually, of which is used to fuel Longyear Power Station, Norway's only coal-fueled power station. The power station was scheduled for a NOK 60 million maintenance work, and the local authorities decided a NOK 40 million upgrade of the diesel power plant instead. Most of Store Norske's production was done at Sveagruva, on Van Mijenfjorden, south of Longyearbyen. No roads connect the communities; instead, workers lived in dormitories in Svea until it closed in 2017. Seventy percent commute home to the mainland while thirty percent commute to Longyearbyen. Mining has not been profitable and Store Norske relies on state subsidies to retain production. Svalbard fisheries have witnessed an unforeseen consequence of global warming: Atlantic cod, mackerel, and snow crabs, fleeing warmer waters to the south, are heading north to Svalbard, swelling the local catch. In the decade of the 2020s, Norway values its Svalbard fishing trade at about US$94 million annually. The University Centre in Svalbard (UNIS) has 350 students and a permanent faculty of 40 professors and assistants and 120 guest lecturers. UNIS does not offer degrees, but instead offers semester courses in biology, physics and geology. Student housing is at Nybyen. The college is part of the Svalbard Science Centre, which also features the Norwegian Polar Institute, EISCAT and Svalbard Science Forum. In 2006, about 9,000 research days were spent in Longyearbyen, most of which were by Norwegians. This made Longyearbyen the second-largest research outpost on Svalbard, marginally below Ny-Ålesund. In contrast, Longyearbyen has almost only Norwegian research, while Ny-Ålesund is roughly evenly split between Norwegian and foreign. Svalbard Satellite Station was built because of Longyearbyen's excellent location to download