Found these figures on GM's Europe site.
Noteworthy: "Aveo accounted for 21 percent of Chevrolet sales in Europe in 2009 and thereby continues to be among the most important models in Chevrolet Europe's range."
For the sedan (called the "4-door" in Europe):
On an average annual basis, that's 56,625 sedans.# In the model range since: 2006
# Units sold in Europe until end of 2009: 226,500
Source: http://media.gm.com/media/intl/en/vehic ... rolet.html
For the hatchback / Aveo5 (called the "5-door" in Europe):
22 months = 17,318 / month, or 207,818 per year.# In the model range since: March 2008
# Units sold in Europe until end of 2009: 381,000
Source: http://media.gm.com/media/intl/en/vehic ... rolet.html
For the 2-door hatchback: (called the "3-door" in Europe):
19 months = 2657 / month, or 31,895 per year.# In the model range since: June 2008
# Units sold in Europe until end of 2009: 50,500
Source: http://media.gm.com/media/intl/en/vehic ... rolet.html