Visitors per year
| | 2013 |  594 | | 2014 | 2299 | | 2015 | 966 | | 2016 | 555 | | 2017 | 405 | | 2018 | 344 | | 2019 | 267 | | 2020 | 607 | | 2021 | 471 | | 2022 | 248 | | 2023 | 144 |
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Visitors per month (2023)
| | January |  23 | | February | 20 | | March | 15 | | April | 14 | | May | 15 | | June | 10 | | July | 5 | | August | 7 | | September | 30 | | October | 5 |
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Visitors per day (October 2023)
| | 1 |  | | 2 | 1 | | 3 | 3 | | 4 | 1 |
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