Visitors per year
| | 2013 |  42 | | 2014 | 263 | | 2015 | 153 | | 2016 | 82 | | 2017 | 81 | | 2018 | 107 | | 2019 | 69 | | 2020 | 276 | | 2021 | 224 | | 2022 | 78 | | 2023 | 79 |
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Visitors per month (2023)
| | January |  9 | | February | 5 | | March | 6 | | April | 4 | | May | 5 | | June | 2 | | July | 4 | | August | 6 | | September | 13 | | October | 8 | | November | 16 | | December | 1 |
|
Visitors per day (December 2023)
| | 1 |  1 |
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