| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|---|
| North East | 1,75 | 1,72 | 1,71 | 1,72 | 1,64 | 1,59 |
| North West | 1,88 | 1,86 | 1,85 | 1,85 | 1,79 | 1,73 |
| Yorkshire and The Humber | 1,86 | 1,84 | 1,83 | 1,82 | 1,76 | 1,70 |
| East Midlands | 1,84 | 1,84 | 1,84 | 1,81 | 1,75 | 1,68 |
| West Midlands | 1,96 | 1,92 | 1,89 | 1,90 | 1,84 | 1,77 |
| East of England | 1,92 | 1,92 | 1,93 | 1,91 | 1,86 | 1,81 |
| London | 1,74 | 1,71 | 1,74 | 1,73 | 1,69 | 1,62 |
| South East | 1,86 | 1,86 | 1,86 | 1,84 | 1,79 | 1,74 |
| South West | 1,87 | 1,85 | 1,82 | 1,78 | 1,73 | 1,66 |
| Wales | 1,79 | 1,78 | 1,77 | 1,74 | 1,70 | 1,64 |
| Scotland | 1,60 | 1,61 | 1,56 | 1,52 | 1,47 | 1,42 |
| Northern Ireland | 1,96 | 1,97 | 1,96 | 1,95 | 1,88 | 1,86 |