Year	% of GDP
1998	6.157635467980295
1999	10.782130781024577
2000	5.997554324524293
2001	6.9441866773312935
2002	4.3779075897570365
2003	5.510449947088418
2004	5.635764870249522
2005	7.249155132529498
2006	5.622570419463142
2007	9.95526341192871
2008	10.228939867819225
2009	9.138977927936004
2010	8.521583534475583
2011	7.116419423177847
2012	4.479962360365712
2013	3.5457154237373056
2014	7.560318709034397
2015	7.989690486593683
2016	6.082524144825173
2017	7.15860866696088
2018	12.845594572995342
2019	15.876979016004741
2020	14.694745431379689