| Region | Total | RE.2.3* | % |
|---|---|---|---|
| Africa / South_Africa | 29 | 1 | 3% |
| Asia / Japan | 182 | 1 | 1% |
| Europe / France | 50 | 1 | 2% |
| Europe / Italy | 7 | 1 | 14% |
| Europe / Portugal | 23 | 2 | 9% |
| Europe / Spain | 189 | 11 | 6% |
| North America / USA | 1,039 | 1 | 0% |
German environmental samples are excluded by default.