Year	% of central government expense
1990	15.366676554317364
1991	13.732606963190689
1992	16.917716116672437
1993	13.262961995810386
1994	7.940913832149637
1995	8.116486377520328
1996	8.150092880785396
2004	9.640609513359554
2005	8.972276687467701
2006	6.837175240872417
2007	6.5112547343761555
2008	5.967313728825959
2009	9.68803912670248
2010	10.132803178509437
2011	8.967761134303693
2012	11.536701823363805
2013	8.928613092604612
2014	7.614524395448551
2015	8.31433766567659
2016	9.403362160854064
2017	10.742230817326904
2018	7.7335313937305195
2019	8.767510291573856
2020	14.331352107593363
2021	40.95819508045824