Visitors per year
| | 2013 |  150 | | 2014 | 1028 | | 2015 | 613 | | 2016 | 187 | | 2017 | 123 | | 2018 | 117 | | 2019 | 82 | | 2020 | 225 | | 2021 | 192 | | 2022 | 91 | | 2023 | 105 |
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Visitors per month (2023)
| | January |  1 | | February | 11 | | March | 6 | | April | 2 | | May | 3 | | June | 5 | | July | 18 | | August | 10 | | September | 24 | | October | 12 | | November | 13 | | December | |
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Visitors per day (December 2023)
| | 1 |  | | 2 | 2 | | 3 | 1 | | 4 | 1 | | 5 | 1 | | 6 | | | 7 | 1 | | 8 | 2 |
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