7
There will be 75 athletes competing for Jamaicia
there are 30 athletes competing in the London 2012 games.
In London Olympics 2012 from Romania were 104 athletes.
530 US athletes will be participating at the 2012 London Olympics.
89
400
about 400
Over 10,000
Yes. Vietnam is competing at the 2012 Summer Olympics in London and has 18 athletes competing in 11 sports
Over 10,000 athletes from 204 countries will be competing in the 302 events for the 2012 London Summer Olympics
Wikipedia lists Germany as having 391 athletes competing in the 2012 Summer Olympics in London
About 2000 according to the official site.