| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 51 | 7 | 13.7 | 6 | 11.8 |
| 2025 | 48 | 7 | 14.6 | 3 | 6.3 |
| 2024 | 46 | 9 | 19.6 | 4 | 8.7 |
| 2023 | 42 | 7 | 16.7 | 2 | 4.8 |
| 2022 | 42 | 3 | 7.1 | 6 | 14.3 |
| 2021 | 40 | 7 | 17.5 | 5 | 12.5 |
| 2020 | 39 | 5 | 12.8 | 4 | 10.3 |
| 2019 | 40 | 8 | 20.0 | 3 | 7.5 |
| 2018 | 39 | 7 | 17.9 | 3 | 7.7 |
| 2017 | 36 | 11 | 30.6 | 5 | 13.9 |