| Region | Total | SV.4* | % |
|---|---|---|---|
| Asia / China | 159 | 14 | 9% |
| Asia / Singapore | 1,130 | 51 | 5% |
| Asia / Thailand | 63 | 3 | 5% |
| North America / Canada | 412 | 1 | 0% |
| North America / USA | 747 | 1 | 0% |
| North America / USA imported | 107 | 1 | 1% |
| Oceania / Australia | 1,166 | 7 | 1% |
German environmental samples are excluded by default.