Del etter land
| Land | Mengde | Bedrifter |
|---|---|---|
| United States | 21 |
|
| China | 3 |
|
| Australia | 1 |
|
| Canada | 1 |
|
| Japan | 1 |
|
| Taiwan | 1 |
|
| Hong Kong | 1 |
|
| South Korea | 1 |
|
