Year	% of government expenditure
1998	12.053750038147
1999	16.9233207702637
2004	18.0015392303467
2005	22.7181797027588
2006	18.5500392913818
2010	19.5739994049072
2011	19.0990009307861
2012	19.767240524292
2013	19.0328807830811
2014	17.6079998016357
2015	19.8519992828369
2016	20.1951103210449
2017	18.9416999816895
2018	17.3934097290039
2019	19.0340003967285
2020	17.9349994659424
2021	18.7600002288818