| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 35 | 1 | 2.9 | 3 | 8.6 |
| 2025 | 32 | 3 | 9.4 | 2 | 6.3 |
| 2024 | 35 | 2 | 5.7 | 3 | 8.6 |
| 2023 | 35 | 2 | 5.7 | 2 | 5.7 |
| 2022 | 35 | 4 | 11.4 | 1 | 2.9 |
| 2021 | 35 | 3 | 8.6 | 2 | 5.7 |
| 2020 | 35 | 4 | 11.4 | 2 | 5.7 |
| 2019 | 34 | 3 | 8.8 | 2 | 5.9 |
| 2018 | 34 | 4 | 11.8 | 2 | 5.9 |
| 2017 | 34 | 4 | 11.8 | 1 | 2.9 |