| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 55 | 20 | 37.7 | 9 | 17.0 |
| 2025 | 53 | 15 | 28.3 | 11 | 20.8 |
| 2024 | 56 | 13 | 24.5 | 10 | 18.9 |
| 2023 | 43 | 8 | 18.6 | 6 | 14.0 |
| 2022 | 43 | 10 | 23.3 | 5 | 11.6 |
| 2021 | 45 | 3 | 6.7 | 7 | 15.6 |
| 2020 | 40 | 5 | 12.5 | 3 | 7.5 |
| 2019 | 42 | 7 | 17.1 | 6 | 14.6 |
| 2018 | 43 | 3 | 7.1 | 11 | 26.2 |
| 2017 | 41 | 3 | 7.3 | 7 | 17.1 |