Based on registration only
I don’t have details statistics back very far
| Location | People reg | Registrations | Total cars | Concour cars | |
| 2016 | Georgia | 136 | |||
| 2017 | Staunton | 143 | |||
| 2018 | NY | 93 | |||
| 2019 | WI | 69 | |||
| 2020 | canceled | ||||
| 2021 | SUNI | ||||
| 2022 | Canada | 93 | 54 | 45 | 35 |
| 2023 | KY | 139 | 84 | 63 | 48 |