| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 58 | 13 | 25.5 | 8 | 15.7 |
| 2025 | 57 | 15 | 26.8 | 8 | 14.3 |
| 2024 | 59 | 16 | 32.7 | 5 | 10.2 |
| 2023 | 57 | 15 | 30.0 | 9 | 18.0 |
| 2022 | 54 | 17 | 34.7 | 2 | 4.1 |
| 2021 | 55 | 16 | 32.0 | 8 | 16.0 |
| 2020 | 54 | 21 | 42.9 | 4 | 8.2 |
| 2019 | 54 | 20 | 40.8 | 8 | 16.3 |
| 2018 | 56 | 16 | 32.7 | 2 | 4.1 |
| 2017 | 55 | 20 | 40.0 | 6 | 12.0 |