Year	% of GDP
1984	6.178861969462627
1985	7.042253954903137
1986	6.931279693606672
1987	10.189075148239453
1988	13.500851836225108
2000	13.415657955680008
2001	13.543607172426093
2002	29.040423180825886
2003	27.771521625518915
2004	31.75424350991896
2005	34.058086803009466
2006	30.069541038641372
2007	32.312243033777015
2008	31.681985793839985
2009	33.93847055254264
2010	27.46248774019155
2011	28.067802524981357
2012	32.504255276611
2013	30.64732203727566
2014	29.801351400444737
2015	31.55665160423703
2016	29.00765409617958