| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 20 | 3 | 15.0 | 2 | 10.0 |
| 2025 | 22 | 2 | 9.1 | 4 | 18.2 |
| 2024 | 19 | 6 | 31.6 | 2 | 10.5 |
| 2023 | 17 | 3 | 17.6 | 1 | 5.9 |
| 2022 | 19 | 6 | 31.6 | 3 | 15.8 |
| 2021 | 20 | 8 | 40.0 | 4 | 20.0 |
| 2020 | 21 | 6 | 28.6 | 2 | 9.5 |
| 2019 | 17 | 8 | 47.1 | 1 | 5.9 |
| 2018 | 19 | 6 | 31.6 | 2 | 10.5 |
| 2017 | 20 | 9 | 45.0 | 2 | 10.0 |