| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 83 | 5 | 6.0 | 1 | 1.2 |
| 2025 | 83 | 4 | 4.8 | 7 | 8.4 |
| 2024 | 78 | 6 | 7.7 | 2 | 2.6 |
| 2023 | 71 | 8 | 11.3 | 3 | 4.2 |
| 2022 | 74 | 4 | 5.4 | 5 | 6.8 |
| 2021 | 72 | 6 | 8.3 | 4 | 5.6 |
| 2020 | 61 | 8 | 13.1 | 1 | 1.6 |
| 2019 | 54 | 3 | 5.6 | 1 | 1.9 |
| 2018 | 54 | 6 | 11.1 | 2 | 3.7 |
| 2017 | 51 | 7 | 14.0 | 2 | 4.0 |