Year	% of central government expense
2010	39.323413829643336
2011	37.45682436868646
2012	31.273181673409706
2013	29.44318006424721
2014	25.59196961324402
2015	18.21626095004378
2016	19.453983909243362
2017	25.651408958559742
2018	23.437341949356853
2019	23.062105691901174
2020	22.147181260895007
2021	17.09849523547014
2022	13.2731190472812