Year	% of GDP
2000	0.626857690729444
2001	0.446710558983666
2002	0.225449347209114
2003	0.158394556411915
2004	0.141120177342513
2005	0.0954384625916272
2006	0.0908510059997421
2007	0.0795059581624321
2008	0.0665474236083194
2009	0.0647048878869087
2010	0.065879666347627
2011	0.100901600830305
2012	10.8862545030888
2013	18.9456606508495
2014	22.1685410208974
2015	26.5608433696416
2016	21.9617672541306
2017	27.9886720392633