Year	% of central government expense
2010	0.06853693592084219
2011	0.10264506157847862
2012	0.1697357641113344
2013	0.1515657817406222
2014	0.11606213449765047
2015	0.15075217554351125
2016	0.10295336059917355
2017	0.0366148219432623
2018	0.06547241440574744
2019	0.04181569095471327
2020	0.10783714069481173
2021	0.2098298958578246
2022	0.0866018973213625