| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 357 | 75 | 24.8 | 27 | 8.9 |
| 2025 | 354 | 73 | 24.7 | 33 | 11.1 |
| 2024 | 350 | 75 | 24.8 | 40 | 13.2 |
| 2023 | 343 | 53 | 16.9 | 45 | 14.4 |
| 2022 | 352 | 46 | 14.1 | 51 | 15.6 |
| 2021 | 321 | 48 | 16.7 | 26 | 9.0 |
| 2020 | 315 | 29 | 10.2 | 37 | 13.0 |
| 2019 | 214 | 22 | 11.6 | 35 | 18.5 |
| 2018 | 156 | 22 | 15.9 | 19 | 13.8 |
| 2017 | 151 | 21 | 14.2 | 25 | 16.9 |