| Year | Central government (£ millions) | Local levy (£ millions) | Funding from other sources (£ millions) |
| 2015 to 2016 | £391 | £16 | £31 |
| 2016 to 2017 | £447 | £23 | £32 |
| 2017 to 2018 | £403 | £28 | £31 |
| 2018 to 2019 | £453 | £33 | £24 |
| 2019 to 2020 | £501 | £36 | £33 |