| Jahr | Monat | Sichtungen |
|---|---|---|
| 2024 | 4 | 6 |
| 2024 | 3 | 13 |
| 2024 | 2 | 14 
|
| 2024 | 1 | 4 |
| 2023 | 12 | 6 |
| 2023 | 11 | 8 |
| 2023 | 10 | 4 |
| 2023 | 9 | 4 |
| 2023 | 8 | 6 |
| 2023 | 7 | 1 |
| 2023 | 6 | 1 |
| 2023 | 5 | 7 |
| 2023 | 4 | 3 |
| 2023 | 3 | 7 |
| 2023 | 2 | 1 |
| 2023 | 1 | 3 |
| 2022 | 12 | 5 |
| 2022 | 11 | 6 |
| 2022 | 10 | 4 |
| 2022 | 9 | 2 |
| 2022 | 8 | 2 |
| 2022 | 7 | 3 |
| 2022 | 2 | 7 |
| 2022 | 1 | 4 |
| 2021 | 12 | 2 |
| 2021 | 10 | 3 |
| 2021 | 8 | 4 |
| 2021 | 7 | 3 |
| 2021 | 5 | 3 |
| 2021 | 4 | 6 |
| 2021 | 3 | 5 |
| 2021 | 2 | 2 |
| 2021 | 1 | 3 |
| 2020 | 12 | 5 |
| 2020 | 10 | 1 |
| 2020 | 9 | 3 |
| 2020 | 6 | 1 |
| 2020 | 4 | 1 |
| 2020 | 2 | 1 |
| 2019 | 12 | 2 |
| 2019 | 10 | 1 |
| 2019 | 3 | 1 |
| 2019 | 2 | 1 |
| Durchschnitt | 4 | |
| Total | 169 | |
