Visitors per year
| | 2013 |  50 | | 2014 | 397 | | 2015 | 226 | | 2016 | 91 | | 2017 | 79 | | 2018 | 88 | | 2019 | 68 | | 2020 | 253 | | 2021 | 212 | | 2022 | 126 | | 2023 | 72 |
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Visitors per month (2023)
| | January |  7 | | February | 11 | | March | 8 | | April | 4 | | May | 8 | | June | 3 | | July | 6 | | August | 9 | | September | 15 | | October | 1 |
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Visitors per day (October 2023)
| | 1 |  | | 2 | 1 | | 3 | | | 4 | |
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