Visitors per year
| | 2013 |  53 | | 2014 | 336 | | 2015 | 138 | | 2016 | 83 | | 2017 | 83 | | 2018 | 90 | | 2019 | 80 | | 2020 | 271 | | 2021 | 213 | | 2022 | 85 | | 2023 | 62 |
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Visitors per month (2023)
| | January |  7 | | February | 8 | | March | 7 | | April | 4 | | May | 8 | | June | 5 | | July | 5 | | August | 6 | | September | 9 | | October | 3 |
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Visitors per day (October 2023)
| | 1 |  | | 2 | 2 | | 3 | 1 | | 4 | |
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