The number of trade visitors declined only slightly from 8,812 at PMA 2009 to 8,628 this year. The number of attendees from Europe dropped by approximately 50 percent to 454 attendees. The largest groups came from Germany (164 delegates – 2009: 249) and the UK (107 attendees – 2009: 178). The number of trade visitors from the US at PMA 2010, on the other hand, was more than 5 percent higher than in the previous year.