| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 31 | 8 | 25.8 | 1 | 3.2 |
| 2025 | 28 | 3 | 10.7 | 7 | 25.0 |
| 2024 | 30 | 10 | 33.3 | 2 | 6.7 |
| 2023 | 28 | 8 | 28.6 | 7 | 25.0 |
| 2022 | 31 | 10 | 32.3 | 4 | 12.9 |
| 2021 | 29 | 20 | 69.0 | 1 | 3.4 |
| 2020 | 27 | 9 | 34.6 | 3 | 11.5 |
| 2019 | 28 | 11 | 39.3 | 2 | 7.1 |
| 2018 | 27 | 7 | 28.0 | 4 | 16.0 |
| 2017 | 29 | 11 | 45.8 | 1 | 4.2 |