From BMW Group PressClub USA:

With 18,848 (prev. yr. 18,349) sales worldwide in May, MINI brand volumes were 2.7% higher. The MINI Clubman was purchased by 7.7% (3,624 / prev. yr. 3,366) more customers than in the same period last year. MINI’s traditionally best-selling Hatch versions also made gains in May. The 12,298 deliveries (prev. yr. 11,930) of this model represent an increase of 3.1%.

May 2010 May 2009 change year-to-date 2010 year-to-date 2009 change
18,848 18,349 2.7% 86,099 79,261 8.6%

See all MINI sales worldwide by month.