Year	% of GDP
1996	2.1954035050897263
1997	2.5286830800020703
1998	2.8456801504480254
1999	2.2155529466824646
2000	1.456452035387813
2001	1.5983331405320076
2002	2.493847339467916
2003	3.7353242787163285
2004	4.064698324515752
2005	4.5732176769491355
2006	3.8222394004066746
2007	2.5205952229639697
2008	2.0019429976636482
2009	2.460499810026322
2010	2.423578487705589
2011	3.1829217184857734
2012	4.042881417132259
2013	0.8029752522836069
2014	1.7301644355667753
2015	2.5600965351952136
2016	2.5123930800623846