| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 57 | 6 | 11.3 | 2 | 3.8 |
| 2025 | 56 | 5 | 9.1 | 5 | 9.1 |
| 2024 | 52 | 6 | 13.0 | 2 | 4.3 |
| 2023 | 50 | 4 | 9.1 | 4 | 9.1 |
| 2022 | 50 | 7 | 15.6 | 1 | 2.2 |
| 2021 | 48 | 4 | 9.3 | 2 | 4.7 |
| 2020 | 50 | 4 | 9.5 | 4 | 9.5 |
| 2019 | 50 | 3 | 7.0 | 4 | 9.3 |
| 2018 | 51 | 2 | 4.9 | 0 | 0.0 |
| 2017 | 50 | 2 | 4.8 | 1 | 2.4 |