| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 40 | 1 | 2.5 | 3 | 7.5 |
| 2025 | 34 | 1 | 2.9 | 2 | 5.9 |
| 2024 | 34 | 0 | 0.0 | 4 | 11.8 |
| 2023 | 32 | 0 | 0.0 | 5 | 15.6 |
| 2022 | 32 | 1 | 3.1 | 2 | 6.3 |
| 2021 | 31 | 3 | 9.7 | 3 | 9.7 |
| 2020 | 31 | 0 | 0.0 | 4 | 12.9 |
| 2019 | 30 | 0 | 0.0 | 5 | 16.7 |
| 2018 | 30 | 4 | 13.3 | 3 | 10.0 |
| 2017 | 29 | 2 | 9.1 | 3 | 13.6 |