Visitors per year
| | 2013 |  106 | | 2014 | 675 | | 2015 | 433 | | 2016 | 301 | | 2017 | 291 | | 2018 | 246 | | 2019 | 152 | | 2020 | 463 | | 2021 | 318 | | 2022 | 206 | | 2023 | 107 |
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Visitors per month (2023)
| | January |  17 | | February | 12 | | March | 12 | | April | 13 | | May | 9 | | June | 11 | | July | 5 | | August | 8 | | September | 18 | | October | 2 |
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Visitors per day (October 2023)
| | 1 |  | | 2 | 1 | | 3 | 1 | | 4 | |
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