| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 93 | 9 | 12.5 | 3 | 4.2 |
| 2025 | 90 | 5 | 7.1 | 4 | 5.7 |
| 2024 | 90 | 4 | 5.2 | 2 | 2.6 |
| 2023 | 87 | 5 | 7.8 | 4 | 6.3 |
| 2022 | 84 | 2 | 2.9 | 4 | 5.7 |
| 2021 | 83 | 3 | 4.3 | 2 | 2.9 |
| 2020 | 80 | 2 | 2.9 | 4 | 5.9 |
| 2019 | 54 | 3 | 6.8 | 4 | 9.1 |
| 2018 | 48 | 6 | 14.3 | 8 | 19.0 |
| 2017 | 45 | 4 | 10.0 | 8 | 20.0 |