Year	% of central government expense
1973	23.554539739192982
1974	26.632836886854168
1975	23.81888071197439
1976	10.891775183099364
1977	11.365444335162781
1978	17.466867683614133
1979	10.655408377016297
1980	12.022943091991582
1981	19.89007664125016
1982	17.050004948260703
1983	14.24935895363604
1984	13.259018905625933
1985	10.81119882515126
1986	18.0643820542441
1987	17.72868217512371
1988	13.606771232268045
1989	14.231134770208786
1990	17.54405768767259
1991	12.606187203551922
1992	7.4612078417189895
1993	4.671479468819611
1994	2.220451110263962
1995	3.127559645922478
1996	2.4479836351727347
1997	5.067969995065994
1998	4.969976331961309
1999	4.44118098698727
2000	2.2145896665989024
2001	2.302554252224932
2002	2.4661827373612897
2003	-1.2703845049193092
2004	2.475541963304821
2005	2.6296745924823366
2006	1.3911224496758987
2007	4.679061269119776
2008	6.066324678739597
2009	8.188989356818603
2010	5.656364850486853
2011	7.902520200413446
2012	7.438165760508703
2013	5.4923688747892125
2014	1.5626170536374238
2015	5.733366218613242
2016	1.4574322163351918
2017	0.4800838047379642
2018	2.0807066332155744
2019	0.6738333831005492
2020	9.270498802857622
2021	7.751294971561496
2022	2.0892987981056663