Year	% of central government expense
1972	10.868025206167982
1973	7.822612834081542
1974	4.984839458477137
1975	6.014836931087151
1976	5.91329778047869
1978	3.935734972633437
1979	5.638636920813925
1980	7.597256391560219
1981	6.7959441915357
1982	10.837460477267921
1983	5.850028591378
1984	12.725309277841616
1985	30.939030456408645
1986	10.18270658458996
1987	23.163680700532524
1988	21.567452203166795
1989	23.172128185886212
1990	18.636474240040908
1991	14.174793654944008
1992	9.793136226773287
1993	0.36726072950974714
1994	5.020620314218204
1995	8.396508714601024
1996	5.60985070991396
1997	3.1479240868060074
1998	4.860607436084612
1999	7.7978243181678994
2000	2.2953484664974173
2001	3.7645218868055546
2002	4.781197790043863
2003	3.7383427350303977
2004	3.498369109782526
2005	1.953088556606537
2006	1.4389371925219314
2007	2.432344103816141
2008	2.4023922754792735
2009	1.9259319182048509
2010	2.532514398675123
2011	2.983007055362782
2012	2.7070811436349245
2013	1.5166490433270017
2014	1.581713489026608
2015	2.587199621696529
2016	1.4453341465999658
2017	0.9185134422070949
2018	0.6646278595790718
2019	0.9278721581025974
2020	2.2195111723953396
2021	2.6721725336530637
2022	1.828390563976697