| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 83 | 4 | 4.9 | 6 | 7.4 |
| 2025 | 81 | 3 | 3.8 | 7 | 9.0 |
| 2024 | 77 | 4 | 5.3 | 3 | 3.9 |
| 2023 | 70 | 4 | 5.8 | 4 | 5.8 |
| 2022 | 69 | 1 | 1.4 | 3 | 4.3 |
| 2021 | 63 | 4 | 6.3 | 5 | 7.9 |
| 2020 | 58 | 4 | 6.9 | 3 | 5.2 |
| 2019 | 54 | 5 | 9.6 | 3 | 5.8 |
| 2018 | 49 | 6 | 12.2 | 5 | 10.2 |
| 2017 | 47 | 6 | 13.3 | 4 | 8.9 |