Year	% of central government expense
1990	26.61332876582731
1991	24.909996465091577
1992	19.747188609557405
1993	22.25352445932415
1994	19.008828657192527
1995	18.529228955267506
1996	14.587349841428217
1997	17.4263196335189
1998	12.613463231752196
1999	14.57881738640499
2000	12.354233128707587
2001	9.21113728982806
2002	9.541870662194391
2003	8.246990453646662
2004	7.690296408952217
2005	7.716208925455868
2006	12.72812480933643
2007	10.942970193948089
2008	11.80006974207641
2009	8.121325376630818
2010	7.687398882185568
2011	5.91799197936822
2012	4.6674828011371945
2013	7.1897265093277305
2014	3.641447975707231
2015	5.193121543560966
2016	3.140588985678208
2017	3.9725308288794094
2018	4.195668125208599
2019	3.8325349987552033
2020	4.058122029562883
2021	4.465670800135189
2022	3.2708563554664325