Visitors per year
| | 2013 |  158 | | 2014 | 899 | | 2015 | 496 | | 2016 | 270 | | 2017 | 124 | | 2018 | 112 | | 2019 | 108 | | 2020 | 289 | | 2021 | 271 | | 2022 | 96 | | 2023 | 89 |
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Visitors per month (2023)
| | January |  5 | | February | 6 | | March | 17 | | April | 9 | | May | 3 | | June | 3 | | July | 1 | | August | 4 | | September | 17 | | October | 13 | | November | 11 | | December | |
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Visitors per day (December 2023)
| | 1 |  1 | | 2 | | | 3 | 1 | | 4 | 2 | | 5 | 1 | | 6 | | | 7 | 2 | | 8 | 2 |
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visitors since 2007-12-05