Visitors per year
| | 2013 |  38 | | 2014 | 304 | | 2015 | 221 | | 2016 | 229 | | 2017 | 148 | | 2018 | 116 | | 2019 | 119 | | 2020 | 279 | | 2021 | 217 | | 2022 | 101 | | 2023 | 84 |
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Visitors per month (2023)
| | January |  8 | | February | 8 | | March | 6 | | April | 5 | | May | 6 | | June | 9 | | July | 2 | | August | 6 | | September | 13 | | October | 7 | | November | 14 | | December | |
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Visitors per day (December 2023)
| | 1 |  1 | | 2 | 2 | | 3 | | | 4 | 1 |
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