From BMW Group PressClub USA:

MINI delivered 23,880 vehicles in March (prev. yr. 21,888 / +9.1%)

The main growth driver for the MINI brand in the first quarter was the MINI Convertible, which delivered the strongest growth with 5,954 (prev. yr. 1,878) sales worldwide (+217.0%). Considerably more customers chose the MINI One’s Hatch and Clubman variants than in the same period last year, with a total of 12,302 units (prev. yr. 6,889 / +78.6%) sold.

March 2010 March 2009 change year-to-date 2010 year-to-date 2009 change
23,880 21,888 9.1% 49,526 43,592 13.6%

See all MINI sales worldwide by month.