| Year | Administration | % change |
|---|---|---|
| 2023 | £36,700 | 7.6% |
| 2022 | £34,100 | 4.1% |
| 2021 | £32,750 | 5.6% |
| 2020 | £31,000 | 1.6% |
| 2019 | £30,500 | -4.9% |
| 2018 | £32,000 | 1.6% |
| 2017 | £31,500 | N/A |
| 2016 | £31,500 | 5% |
| 2015 | £30,000 | 6.2% |
| 2014 | £28,250 | N/A |
| Year | Administration | % change |
|---|---|---|
| 2023 | £36,700 | 7.6% |
| 2022 | £34,100 | 4.1% |
| 2021 | £32,750 | 5.6% |
| 2020 | £31,000 | 1.6% |
| 2019 | £30,500 | -4.9% |
| 2018 | £32,000 | 1.6% |
| 2017 | £31,500 | N/A |
| 2016 | £31,500 | 5% |
| 2015 | £30,000 | 6.2% |
| 2014 | £28,250 | N/A |