Tolong jelaskan mengenai 2000-an dari List of years in sumo

2009 in sumo - Harumafuji's 1st championship, Hakuho has 3 championships and all-time record of 86 wins out of 90 in one year

2008 in sumo - Asashōryū returns, Kotoōshū first European champion, marijuana scandals begin

2007 in sumo - Hakuho is promoted to yokozuna, Asashōryū is first suspended yokozuna, Tokitsukaze stable hazing scandal

2006 in sumo - Asashōryū's general dominance continues, Hakuho wins first championship

2005 in sumo - Asashōryū is first to sweep all championships in his "grand slam" year

2004 in sumo - Asashōryū just misses all championship sweep, Kaiō wins 5th and last championship

2003 in sumo - Takanohana and Musashimaru retire, Asashōryū debuts as yokozuna

2002 in sumo - Takanohana out most of year due to injury, Asashōryū wins first of many championships

2001 in sumo - number of wrestlers win championships in spite of injury, Kotomitsuki wins his only and all 3 special prizes

2000 in sumo - 3 wrestlers win championships for first time, Akebono wins his last