Year	% of central government expense
1996	-2.42242575992245
1997	-1.414491085009627
1998	1.662689094222234
1999	0.9921171720899699
2000	0.3141397831053054
2001	0.1686338493168678
2002	0.5012357503712985
2003	0.5679433146469203
2004	1.2700055194710849
2005	0.11510055609948962
2006	0.8372539379975421
2007	0.5764366494246694
2008	0.34617371143643927
2009	0.31922000086852076
2010	-0.013205827105695716
2011	0.06940464018783427
2012	0.027770297186718678
2013	-0.17013063714591103
2014	0.029935355130628796
2015	-0.0010885139665795997
2016	-0.10260974985731883
2017	-0.05791892520213315
2018	-0.060339702701910115
2019	-0.004622502854551968
2020	-0.008326180683657852
2021	0.022312209355126223
2022	0.0066998671879289155