| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 347 | 38 | 12.9 | 37 | 12.6 |
| 2025 | 333 | 30 | 10.6 | 39 | 13.8 |
| 2024 | 334 | 37 | 11.6 | 54 | 17.0 |
| 2023 | 341 | 29 | 9.8 | 64 | 21.5 |
| 2022 | 337 | 27 | 9.2 | 49 | 16.6 |
| 2021 | 335 | 22 | 7.5 | 36 | 12.2 |
| 2020 | 331 | 23 | 7.7 | 48 | 16.2 |
| 2019 | 283 | 20 | 7.5 | 44 | 16.5 |
| 2018 | 268 | 23 | 8.8 | 54 | 20.7 |
| 2017 | 274 | 20 | 7.5 | 69 | 25.9 |