| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 47 | 12 | 25.5 | 2 | 4.3 |
| 2025 | 48 | 12 | 25.0 | 5 | 10.4 |
| 2024 | 47 | 10 | 21.3 | 4 | 8.5 |
| 2023 | 48 | 6 | 12.5 | 4 | 8.3 |
| 2022 | 46 | 9 | 19.6 | 1 | 2.2 |
| 2021 | 48 | 9 | 18.8 | 4 | 8.3 |
| 2020 | 49 | 5 | 10.2 | 1 | 2.0 |
| 2018 | 47 | 8 | 17.0 | 2 | 4.3 |
| 2017 | 48 | 5 | 10.4 | 5 | 10.4 |