| Country | Number of Participating Team(s) in 2015 |
|---|---|
 Bahrain |
1 |
 Canada |
4 |
 China |
1 |
 Finland |
2 |
 Germany |
6 |
 Greece |
4 |
 India |
1 |
 Iran |
2 |
 Israel |
1 |
 Italy |
13 |
 Netherlands |
4 |
 Norway |
1 |
 Philippines |
1 |
 Poland |
4 |
 Portugal |
6 |
 Romania |
3 |
 Russia |
3 |
 Serbia |
7 |
 Slovakia |
1 |
 South Africa |
1 |
 Spain |
24 |
 Sri Lanka |
1 |
 Sweden |
1 |
 Thailand |
1 |
 Tunisia |
1 |
 Turkey |
3 |
 United Kingdom |
13 |
 United States |
9 |