From BMW Group PressClub USA:

The MINI brand also had a very successful month. Sales climbed to 23,839 vehicles (prev. yr. 17,719) – an increase of 34.5% over the same period last year. In China (1,400/ +89.2%), South Korea (300/ +130.8%) and Russia (165/ +283.7%) sales growth was in the three-digit percentage range. The number of MINI models through April this year rose to 84,698 (prev. yr. 67,251/ +25.9%) vehicles.

April 2011 April 2010 change year-to-date 2011 year-to-date 2010 change
23,839 17,719 34.5% 84,698 67,251 25.9%

See all MINI sales worldwide by month.