6 | ||
2 | ||
2 | ||
2 | ||
2 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 | ||
1 |
1 | 1 | 3 | 1 |
|
|
|
|
United States | 2 | |
China | 1 | |
Norway | 1 |