| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 737 | 241 | 33.4 | 32 | 4.4 |
| 2025 | 756 | 275 | 37.4 | 41 | 5.6 |
| 2024 | 746 | 280 | 38.0 | 46 | 6.3 |
| 2023 | 746 | 269 | 36.7 | 58 | 7.9 |
| 2022 | 735 | 249 | 34.7 | 52 | 7.2 |
| 2021 | 721 | 237 | 33.6 | 66 | 9.4 |
| 2020 | 690 | 213 | 31.7 | 64 | 9.5 |
| 2019 | 631 | 169 | 27.8 | 68 | 11.2 |
| 2018 | 593 | 173 | 29.4 | 87 | 14.8 |
| 2017 | 573 | 156 | 27.5 | 100 | 17.6 |