204.
Saudi Arabia and Qatar.
not all countries competed but normally all contries are invited to take part
yes
5
ten
400
7
As of 2012, Greece has so far competed in every Olympic season.
There will be 302 events that the athletes will compete in
205
205 countries are expected in Olympics 2012.
India has yet to announce (Jan 2012) the team they intend sending to the games