| Year | Parts | % change |
|---|---|---|
| 2023 | £33,400 | 7.7% |
| 2022 | £31,000 | 5.1% |
| 2021 | £29,500 | 5.4% |
| 2020 | £28,000 | 1.8% |
| 2019 | £27,500 | -9.1% |
| 2018 | £30,000 | 5.3% |
| 2017 | £28,500 | 3.6% |
| 2016 | £27,500 | 1.9% |
| 2015 | £27,000 | 3.8% |
| 2014 | £26,000 | N/A |
| Year | Parts | % change |
|---|---|---|
| 2023 | £33,400 | 7.7% |
| 2022 | £31,000 | 5.1% |
| 2021 | £29,500 | 5.4% |
| 2020 | £28,000 | 1.8% |
| 2019 | £27,500 | -9.1% |
| 2018 | £30,000 | 5.3% |
| 2017 | £28,500 | 3.6% |
| 2016 | £27,500 | 1.9% |
| 2015 | £27,000 | 3.8% |
| 2014 | £26,000 | N/A |