| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| North East | 26 | 32 | 45 | 42 | 34 | 62 | 39 | 58 |
| North West | 71 | 75 | 96 | 96 | 102 | 120 | 116 | 122 |
| Yorkshire and The Humber | 71 | 83 | 97 | 89 | 94 | 98 | 109 | 132 |
| East Midlands | 75 | 68 | 90 | 95 | 96 | 117 | 108 | 107 |
| West Midlands | 72 | 65 | 94 | 98 | 99 | 103 | 124 | 115 |
| East of England | 129 | 108 | 126 | 139 | 170 | 155 | 165 | 163 |
| London | 460 | 344 | 405 | 449 | 471 | 496 | 549 | 583 |
| South East | 153 | 131 | 159 | 159 | 159 | 164 | 179 | 193 |
| South West | 67 | 73 | 96 | 107 | 117 | 121 | 143 | 143 |
| Wales | 37 | 31 | 37 | 49 | 51 | 58 | 59 | 72 |
| Scotland | 63 | 52 | 60 | 70 | 86 | 86 | 90 | 92 |
| Northern Ireland | 27 | 43 | 55 | 72 | 101 | 97 | 107 | 82 |