Datasets:
| Characteristic,Expenditure in million British pounds | |
| 2020,3521 | |
| 2019,3512 | |
| 2018,3650 | |
| 2017,3318 | |
| 2016,3375 | |
| 2015,3038 | |
| 2014,2990 | |
| 2013,3478 | |
| 2012,3106 | |
| 2011,3160 | |
| 2010,3495 | |
| 2009,3928 | |
| 2008,4378 | |
| 2007,4505 | |
| 2006,4387 | |
| 2005,4036 | |
| Characteristic,Expenditure in million British pounds | |
| 2020,3521 | |
| 2019,3512 | |
| 2018,3650 | |
| 2017,3318 | |
| 2016,3375 | |
| 2015,3038 | |
| 2014,2990 | |
| 2013,3478 | |
| 2012,3106 | |
| 2011,3160 | |
| 2010,3495 | |
| 2009,3928 | |
| 2008,4378 | |
| 2007,4505 | |
| 2006,4387 | |
| 2005,4036 | |