| Jahr | Monat | Sichtungen |
|---|---|---|
| 2024 | 11 | 3 |
| 2024 | 10 | 2 |
| 2024 | 8 | 1 |
| 2024 | 6 | 3 |
| 2024 | 5 | 2 |
| 2024 | 4 | 2 |
| 2023 | 12 | 2 |
| 2023 | 11 | 6 |
| 2023 | 10 | 9 |
| 2023 | 9 | 2 |
| 2023 | 8 | 14 |
| 2023 | 6 | 18 |
| 2023 | 5 | 39 |
| 2023 | 4 | 4 |
| 2023 | 3 | 12 |
| 2022 | 12 | 14 |
| 2022 | 10 | 3 |
| 2022 | 9 | 16 |
| 2022 | 8 | 11 |
| 2022 | 7 | 5 |
| 2022 | 6 | 1 |
| 2022 | 5 | 4 |
| 2022 | 4 | 24 |
| 2022 | 3 | 29 |
| 2022 | 2 | 13 |
| 2022 | 1 | 15 |
| 2021 | 11 | 8 |
| 2021 | 10 | 31 |
| 2021 | 9 | 12 |
| 2021 | 8 | 13 |
| 2021 | 7 | 2 |
| 2021 | 5 | 34 |
| 2021 | 4 | 24 |
| 2021 | 3 | 34 |
| 2021 | 2 | 48 |
| 2021 | 1 | 66 |
| 2020 | 12 | 2 |
| 2020 | 11 | 9 |
| 2020 | 10 | 7 |
| 2020 | 9 | 22 |
| 2020 | 8 | 14 |
| 2020 | 7 | 45 |
| 2020 | 6 | 12 |
| 2020 | 5 | 12 |
| 2020 | 4 | 1 |
| 2020 | 3 | 38 |
| 2020 | 2 | 51 |
| 2020 | 1 | 114 |
| 2019 | 12 | 41 |
| 2019 | 11 | 67 |
| 2019 | 10 | 31 |
| 2019 | 9 | 35 |
| 2019 | 8 | 34 |
| 2019 | 7 | 68 |
| 2019 | 6 | 21 |
| 2019 | 5 | 60 |
| 2019 | 4 | 92 |
| 2019 | 3 | 126 |
| 2019 | 2 | 61 |
| 2019 | 1 | 155 |
| 2018 | 12 | 104 |
| 2018 | 11 | 109 |
| 2018 | 10 | 147 |
| 2018 | 9 | 22 |
| 2018 | 8 | 18 |
| 2018 | 7 | 49 |
| 2018 | 6 | 53 |
| 2018 | 5 | 34 |
| 2018 | 4 | 82 |
| 2018 | 3 | 153 |
| 2018 | 2 | 112 |
| 2018 | 1 | 188 |
| 2017 | 12 | 108 |
| 2017 | 11 | 252 
|
| 2017 | 10 | 101 |
| 2017 | 9 | 155 |
| 2017 | 8 | 235 |
| 2017 | 7 | 93 |
| 2017 | 6 | 110 |
| 2017 | 5 | 13 |
| 2017 | 4 | 63 |
| 2017 | 3 | 31 |
| 2017 | 2 | 42 |
| 2017 | 1 | 32 |
| 2016 | 12 | 14 |
| 2016 | 11 | 20 |
| 2016 | 10 | 12 |
| 2016 | 9 | 4 |
| 2016 | 8 | 50 |
| 2016 | 7 | 14 |
| 2016 | 6 | 43 |
| 2016 | 5 | 100 |
| 2016 | 4 | 230 |
| 2016 | 3 | 87 |
| 2016 | 2 | 60 |
| 2016 | 1 | 20 |
| 2015 | 12 | 19 |
| 2015 | 11 | 37 |
| 2015 | 10 | 22 |
| 2015 | 9 | 16 |
| 2015 | 8 | 2 |
| 2015 | 7 | 18 |
| 2015 | 6 | 6 |
| 2015 | 5 | 13 |
| 2015 | 4 | 6 |
| 2015 | 3 | 7 |
| 2015 | 2 | 9 |
| 2015 | 1 | 14 |
| 2014 | 12 | 5 |
| 2014 | 11 | 8 |
| 2014 | 10 | 20 |
| 2014 | 9 | 31 |
| 2014 | 8 | 16 |
| 2014 | 7 | 36 |
| 2014 | 6 | 26 |
| 2014 | 5 | 18 |
| 2014 | 4 | 39 |
| 2014 | 3 | 43 |
| 2014 | 2 | 21 |
| 2014 | 1 | 10 |
| 2013 | 12 | 6 |
| 2013 | 10 | 45 |
| 2013 | 8 | 2 |
| 2013 | 7 | 14 |
| 2013 | 6 | 46 |
| Durchschnitt | 41 | |
| Total | 5159 | |