Visitors per year
| | 2013 |  78 | | 2014 | 475 | | 2015 | 187 | | 2016 | 124 | | 2017 | 66 | | 2018 | 99 | | 2019 | 43 | | 2020 | 240 | | 2021 | 169 | | 2022 | 115 | | 2023 | 82 |
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Visitors per month (2023)
| | January |  12 | | February | 8 | | March | 6 | | April | 3 | | May | 6 | | June | 6 | | July | 3 | | August | 4 | | September | 16 | | October | 5 | | November | 13 | | December | |
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Visitors per day (December 2023)
| | 1 |  1 | | 2 | 3 | | 3 | | | 4 | 1 | | 5 | 1 | | 6 | 2 | | 7 | 1 | | 8 | 2 |
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visitors since 2007-06-22