| Nation | 2013 to 2014 | 2014 to 2015 | 2015 to 2016 | 2016 to 2017 | 2017 to 2018 | 2018 to 2019 | 2019 to 2020 | 2020 to 2021 | 2021 to 2022 | 2022 to 2023 | 2023 to 2024 | 2024 to 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| England | 94.34% | 94.23% | 93.56% | 93.41% | 93.12% | 92.09% | 92.57% | 92.04% | 91.84% | 91.80% | 91.22% | 91.30% |
| Northern Ireland | 97.48% | 96.84% | 97.22% | 97.04% | 96.20% | 94.52% | 94.45% | 94.53% | 93.52% | 93.10% | 91.80% | 91.00% |
| Scotland | 97.51% | 97.39% | 97.15% | 96.77% | 96.51% | 95.80% | 96.23% | 96.54% | 96.32% | 95.55% | 94.84% | 94.50% |
| Wales | 96.70% | 96.57% | 96.57% | 96.34% | 95.92% | 95.42% | 95.77% | 95.56% | 95.18% | 94.47% | 94.19% | 94.10% |