Year	% of government expenditure
1998	22.082389831543
1999	19.2816600799561
2000	21.807710647583
2001	21.3231792449951
2002	19.7571506500244
2004	14.9029102325439
2005	18.8882808685303
2007	20.7926406860352
2008	19.028829574585
2009	21.5635509490967
2010	22.1767807006836
2011	21.7505397796631
2012	20.6340808868408
2013	21.8776302337646
2014	19.6179790496826
2015	23.201379776001
2016	21.8537502288818