Year	% of central government expense
2008	41.842935510645425
2009	36.314468304674556
2010	30.57739133313172
2011	23.44286526664103
2012	13.360816668344237
2013	32.24607474316946
2014	20.78603190512219
2015	12.410622185280282
2016	14.414300681851033
2017	18.343736179644907
2018	72.08616262255025
2019	20.857811420210258
2020	43.38360197619655