Year	% of central government expense
1972	0.46491229743288376
1973	0.22934027844005206
1974	0.26261904126121904
1975	0.19583334093508514
1976	0.17542789411544807
1977	0.17409426465272868
1978	0.1335253830729307
1979	0.3792742588307601
1980	0.30149471266897077
1981	0.3358223391552838
1982	0.37028925036199317
1983	0.45578501724034376
1984	0.2720041254983533
1985	0.3765759548089437
1986	0.8039200159310944
1987	0.43770342156404074
1988	0.4123201317782703
1989	0.26742550821284683
1990	0.4034805059283096
1991	0.6729314924830667
1992	0.6989955188578466
1993	0.820019100400168
1994	0.7815906941574118
1995	0.9570522190286174
1996	0.6360535530825707
1997	0.18612852345405423
1998	0.051118627565143904
1999	0.06399270128174764
2000	-0.0450740510629208
2009	0.09609032797730031
2010	0.20084536764445332
2011	0.3769393916355147
2012	0.1552687294593707
2013	0.20475897971124501
2014	0.284421291223797
2015	0.1268039838357012
2016	0.35796134921166917
2017	0.3190003593603345
2018	0.22001561683460666
2019	0.20322989124451707
2020	0.32640981482914233
2021	0.20492050817497487
2022	0.1514251004668528