From EM 25
Position in the final that produces MOST winners: 6th is the luckiest position (5 winners so far). 8th has produced 4 winners. There have been 2 winners from 9th, 11th and 13th.
Position in the final that has produced NO winners: 4th and 7th making these the most unlucky positions in the final... (and since the finals have included more entries, 17th and from 19th-23rd)
Most wins: Italy, Sweden, Turkey, United Kingdom (3)
Longest competitor without a win: Greece, Latvia, Czech Republic, Ukraine, Georgia (24 editions so far, debuted in EM1)
Longest wait for a 2nd win: Armenia (24 editions so far)
Longest wait to win since debut: Norway (23 editions EM1-24) Spain is 2nd.
Quickest wins: Italy (EM5&6), United Kingdom (EM18 & 20)
Longest wait for 3rd win: Sweden (14 editions so far, since EM11)
Least successful country (never finished in the top 5): Lithuania
Source: Ross Carter (United Kingdom)