| Jahr | Monat | Sichtungen |
|---|---|---|
| 2025 | 1 | 24 |
| 2024 | 12 | 82 |
| 2024 | 11 | 54 |
| 2024 | 10 | 90 |
| 2024 | 9 | 79 |
| 2024 | 8 | 70 |
| 2024 | 7 | 31 |
| 2024 | 6 | 32 |
| 2024 | 5 | 90 |
| 2024 | 4 | 44 |
| 2024 | 3 | 105 |
| 2024 | 2 | 162 |
| 2024 | 1 | 51 |
| 2023 | 12 | 45 |
| 2023 | 11 | 222 
|
| 2023 | 10 | 64 |
| 2023 | 9 | 42 |
| 2023 | 8 | 45 |
| 2023 | 7 | 56 |
| 2023 | 6 | 58 |
| 2023 | 5 | 36 |
| 2023 | 4 | 50 |
| 2023 | 3 | 32 |
| 2023 | 2 | 45 |
| 2023 | 1 | 66 |
| 2022 | 12 | 106 |
| 2022 | 11 | 33 |
| 2022 | 10 | 34 |
| 2022 | 9 | 89 |
| 2022 | 8 | 59 |
| 2022 | 7 | 74 |
| 2022 | 6 | 168 |
| 2022 | 5 | 49 |
| 2022 | 4 | 17 |
| 2022 | 3 | 25 |
| 2022 | 2 | 11 |
| 2022 | 1 | 23 |
| 2021 | 12 | 12 |
| 2021 | 11 | 21 |
| 2021 | 10 | 16 |
| 2021 | 9 | 25 |
| 2021 | 8 | 28 |
| 2021 | 7 | 25 |
| 2021 | 6 | 25 |
| 2021 | 5 | 93 |
| 2021 | 4 | 71 |
| 2021 | 3 | 59 |
| 2021 | 2 | 20 |
| 2021 | 1 | 37 |
| 2020 | 12 | 10 |
| 2020 | 11 | 22 |
| 2020 | 10 | 21 |
| 2020 | 9 | 85 |
| 2020 | 8 | 181 |
| 2020 | 7 | 36 |
| 2019 | 1 | 1 |
| 2017 | 7 | 2 |
| 2017 | 6 | 1 |
| 2011 | 12 | 1 |
| 2011 | 10 | 1 |
| 2011 | 9 | 1 |
| 2011 | 7 | 3 |
| 2011 | 6 | 1 |
| 2011 | 4 | 1 |
| 2011 | 2 | 2 |
| 2011 | 1 | 9 |
| 2010 | 12 | 2 |
| 2010 | 11 | 2 |
| 2010 | 10 | 1 |
| 2010 | 9 | 4 |
| 2010 | 7 | 1 |
| 2010 | 6 | 3 |
| 2010 | 5 | 11 |
| 2010 | 4 | 8 |
| 2010 | 3 | 2 |
| 2010 | 2 | 7 |
| 2010 | 1 | 20 |
| 2009 | 12 | 8 |
| 2009 | 9 | 4 |
| 2009 | 8 | 3 |
| 2009 | 7 | 20 |
| 2009 | 6 | 19 |
| 2009 | 5 | 1 |
| Durchschnitt | 40 | |
| Total | 3289 | |