| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 20 | 0 | 0.0 | 8 | 40.0 |
| 2025 | 17 | 0 | 0.0 | 7 | 41.2 |
| 2024 | 17 | 0 | 0.0 | 7 | 50.0 |
| 2023 | 16 | 0 | 0.0 | 7 | 46.7 |
| 2022 | 17 | 0 | 0.0 | 3 | 17.6 |
| 2021 | 17 | 0 | 0.0 | 1 | 5.9 |
| 2020 | 17 | 1 | 5.9 | 8 | 47.1 |
| 2019 | 17 | 0 | 0.0 | 4 | 23.5 |
| 2018 | 17 | 1 | 5.9 | 3 | 17.6 |
| 2017 | 17 | 0 | 0.0 | 10 | 58.8 |