| Organisatie / activiteit | 04-2024 | 03-2024 | 02-2024 | 01-2024 | 2024 | 12-2023 | 11-2023 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | Totaal | Steltenberg bezoekerscentrum | 0 | 0 | 14 | 136 | 213 | 194 | 288 | 296 |
| Bolderkar route | 31 | 22 | 30 | 39 | 122 | 19 | 38 | 0 | 402 | 441 | 563 | 367 | 390 | 332 | 621 | 884 | 52 | 4.527 | |
| Steltenberg bezoekerscentrum | 32 | 26 | 33 | 38 | 129 | 20 | 40 | 0 | 466 | 412 | 509 | 284 | 453 | 366 | 453 | 827 | 39 | 4.301 | |
| Totaal | 63 | 48 | 63 | 77 | 251 | 39 | 78 | 716 | 868 | 853 | 1.086 | 787 | 1.056 | 892 | 1.362 | 2.007 | 91 | 9.969 |