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