Visitors per year
| | 2013 |  28 | | 2014 | 195 | | 2015 | 153 | | 2016 | 139 | | 2017 | 82 | | 2018 | 76 | | 2019 | 79 | | 2020 | 220 | | 2021 | 174 | | 2022 | 62 | | 2023 | 74 |
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Visitors per month (2023)
| | January |  5 | | February | 6 | | March | 4 | | April | 5 | | May | 6 | | June | 5 | | July | 4 | | August | 6 | | September | 12 | | October | 10 | | November | 9 | | December | 2 |
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Visitors per day (December 2023)
| | 1 |  1 | | 2 | | | 3 | | | 4 | | | 5 | 1 | | 6 | | | 7 | | | 8 | |
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