| Region | Total | SW.2.1* | % |
|---|---|---|---|
| Europe / Spain | 189 | 5 | 3% |
| North America / Canada | 472 | 6 | 1% |
| North America / Costa_Rica | 194 | 4 | 2% |
| North America / Mexico | 28 | 23 | 82% |
| North America / USA | 1,039 | 98 | 9% |
| North America / USA imported | 228 | 8 | 4% |
| Oceania / Australia | 1,316 | 1 | 0% |
German environmental samples are excluded by default.