Year	% of GDP
2000	4.987684269265366
2001	5.019133038193406
2002	4.8807193796180455
2003	4.966516230344609
2004	4.94101356114014
2005	4.947552975449688
2006	4.889376918978482
2007	4.811235778500565
2008	4.836107265921012
2009	5.154491460891299
2010	4.990296281700739
2011	4.981746037183536
2012	5.0305770587136465
2013	5.1148159377188085
2014	5.144832998942911
2015	5.241230563975525
2016	5.2549962195885875
2017	5.259960660014818
2018	5.1987496183248725
2019	5.254745646425442
2020	5.532352721481267
2021	5.4354793111883195