Please answer a question about the following article about Washington University in St. Louis:

Washington University's sports teams are called the Bears. They are members of the National Collegiate Athletic Association and participate in the University Athletic Association at the Division III level. The Bears have won 19 NCAA Division III Championships— one in women's cross country (2011), one in men's tennis (2008), two in men's basketball (2008, 2009), five in women's basketball (1998–2001, 2010), and ten in women's volleyball (1989, 1991–1996, 2003, 2007, 2009) – and 144 UAA titles in 15 different sports. The Athletic Department is headed by John Schael who has served as director of athletics since 1978. The 2000 Division III Central Region winner of the National Association of Collegiate Directors of Athletics/Continental Airlines Athletics Director of the Year award, Schael has helped orchestrate the Bears athletics transformation into one of the top departments in Division III.

In what years did the Washington University men's basketball teams win division championships?
2008, 2009