G S B Total

1. USA 8 8 7 23

2. Spain 4 0 0 4

3. JAMAICA 3 3 3 9

4. Great Britain 2 2 1 5

5. Canada 2 0 0 2

6. Ethiopia 1 3 2 6

7. Australia 1 1 1 3

7. Italy 1 1 1 3

7. Kenya 1 1 1 3

7. Norway 1 1 1 3

Note: Top 10 countries