5 | ||
4 | ||
4 | ||
3 | ||
3 | ||
3 | ||
2 |
18 | ||
4 | ||
4 | ||
3 | ||
2 | ||
2 | ||
2 | ||
2 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 |
5 | 5 | 6 | 2 |
|
|
|
|
United States | 8 | |
Canada | 2 | |
China | 1 |