| # | 2010 | 2010 SF2 | 2011 | 2011 SF1 | 2012 | 2012 SF2 | Total | Partici- pations | Average | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Azerbaijan | 12 | 12 | 12 | 12 | 12 | X | 60 | 5 | 12,00 |
| 2 | Bosnia & Herzegovina | 8 | X | 10 | X | 10 | 12 | 40 | 4 | 10,00 |
| 3 | Bulgaria | X | 7 | X | X | X | 10 | 17 | 2 | 8,50 |
| 4 | North Macedonia | X | X | X | X | 8 | 8 | 16 | 2 | 8,00 |
| 5 | Georgia | 5 | 10 | 8 | 10 | X | 3 | 36 | 5 | 7,20 |
| 6 | Albania | 7 | X | X | 8 | 5 | X | 20 | 3 | 6,67 |
| 7 | Netherlands | X | 5 | X | X | X | 7 | 12 | 2 | 6,00 |
| 8 | Armenia | 6 | 4 | X | 7 | X | X | 17 | 3 | 5,67 |
| 9 | San Marino | X | X | X | 5 | X | X | 5 | 1 | 5,00 |
| 10 | Romania | 2 | 8 | 5 | X | 4 | X | 19 | 4 | 4,75 |
| 11 | Germany | 10 | X | 3 | X | X | 13 | 3 | 4,33 | |
| 12 | Sweden | X | 2 | 4 | X | 6 | 5 | 17 | 4 | 4,25 |
| 13 | Russia | 4 | X | 3 | 7 | X | 14 | 4 | 3,50 | |
| 14 | Malta | X | X | X | 2 | 2 | 6 | 10 | 3 | 3,33 |
| 15 | Greece | 3 | X | 4 | 3 | X | 10 | 4 | 2,50 | |
| 16 | Hungary | X | X | 6 | 1 | X | 7 | 3 | 2,33 | |
| 17 | Ukraine | 1 | 3 | 7 | X | 11 | 5 | 2,20 | ||
| 18 | United Kingdom | X | 6 | X | X | 6 | 3 | 2,00 | ||
| 19 | Denmark | 6 | X | X | 6 | 4 | 1,50 | |||
| 20 | Norway | X | X | 4 | 4 | 4 | 1,00 | |||
| 21 | Austria | X | X | 1 | X | X | X | 1 | 1 | 1,00 |
| 22 | Slovenia | X | 2 | X | X | 2 | 3 | 0,67 | ||
| 23 | Finland | X | X | 1 | X | X | 1 | 2 | 0,50 | |
| 24 | Lithuania | X | 2 | 2 | 5 | 0,40 | ||||
| 25 | Portugal | X | X | X | 1 | 1 | 3 | 0,33 | ||
| 26 | Ireland | 1 | X | X | 1 | 4 | 0,25 |
