国別シェア
| 国 | 量 | 企業 |
|---|---|---|
| United States | 51 |
|
| Taiwan | 1 |
|
| Canada | 1 |
|
| Ireland | 1 |
|
| France | 1 |
|
| United Kingdom | 1 |
|
| Switzerland | 1 |
|
| Japan | 1 |
|
| Norway | 1 |
|
