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Proportion of positive tests by test reason in each time period
| Date (quarters) | Number of positive tests | Test reason | ||||
| Symptoms (%) | Close contact (%) | Broader-defined work contact (%) | Routine screening (%) | Missing (%) | ||
| Q1–3 2020 | 25 | 28 | 44 | 0 | 4 | 24 |
| Q4 2020 | 183 | 33 | 27 | 11 | 21 | 8 |
| Q1 2021 | 204 | 48 | 24 | 10 | 18 | 0 |
| Q2 2021 | 120 | 37 | 35 | 5 | 22 | 2 |
| Q3 2021 | 492 | 59 | 20 | 2 | 18 | 1 |
| Q4 2021 | 742 | 54 | 30 | 3 | 12 | 2 |
| Q1 2022 | 1324 | 55 | 25 | 2 | 15 | 3 |
| Q2–3 2022 | 552 | 65 | 10 | 0 | 21 | 3 |
| Total | 3642 | 54 | 24 | 3 | 16 | 3 |
