The team improved over the years that followed and in 1998 won the league title, their first championship success in ten years. The arrival of Martin O'Neill as manager in 2000 saw the club become the dominant force in Scotland, winning three league titles in five years and reaching the UEFA Cup Final in 2003. In 2005–06, Celtic's home games attracted an average attendance of 58,149, placing Celtic at the time behind only Manchester United and Newcastle United in terms of highest average attendance for any football club in the United Kingdom. Celtic enjoyed a period of notable dominance in the 2010s: They won nine consecutive league titles again, went undefeated in domestic competitions in season 2016–17, and won four consecutive domestic trebles.