Year	% of central government expense
2014	32.27193341733432
2015	42.583666333614204
2016	28.203615768381407
2017	23.172058682318568
2018	20.822971828556355
2019	20.37982558940015
2020	22.229355034889743
2021	20.902467757769003
2022	25.231759636167634