| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 302 | 89 | 32.6 | 56 | 20.5 |
| 2025 | 306 | 91 | 31.6 | 59 | 20.5 |
| 2024 | 288 | 83 | 31.0 | 67 | 25.0 |
| 2023 | 274 | 56 | 21.6 | 63 | 24.3 |
| 2022 | 266 | 45 | 17.5 | 67 | 26.1 |
| 2021 | 280 | 53 | 19.9 | 75 | 28.2 |
| 2020 | 260 | 32 | 12.7 | 66 | 26.3 |
| 2019 | 234 | 37 | 16.4 | 59 | 26.2 |
| 2018 | 206 | 34 | 17.1 | 59 | 29.6 |
| 2017 | 183 | 35 | 20.1 | 59 | 33.9 |