Eight songs took part in the final, with the winner chosen by an "expert" jury.

Seven songs took part, with the winner chosen by a 10-member jury who each had 3 points to award.

Ten songs took part with the winner being chosen by a 10-member "expert" international jury.

Eleven songs took part with the winner being decided by an "expert" jury.

Twelve songs took part, with the winner being decided by a jury.

Eight songs took part with the winner being chosen by a 10-member jury.

Five songs took part with the winner being decided by a public televote.

Six songs took part with the winner being chosen by an "expert" jury.

Ten songs took part with the winner being decided by televoting.

Six songs took part with the winner being decided by votes from eight regional juries.