Year	% of GDP
1996	2.389029971568034
1997	2.415147495718173
1998	2.44483923579886
1999	2.4913868390830287
2000	2.568270718267097
2001	2.5969414368102384
2002	2.509986813779077
2003	2.5079292707312293
2004	2.4489115471632377
2005	2.4581283897370145
2006	2.4929394831380556
2007	2.5485889615469923
2008	2.6591608834218174
2009	2.714935370731584
2010	2.627188495406276
2011	2.639124832214692
2012	2.580957470964669
2013	2.6030349378568594
2014	2.6236996837813367
2015	2.700401127770906
2016	2.7689972653412043
2017	2.8098928134260532
2018	2.911110921929084
2019	3.063560371162008
2020	3.3534978797485553
2021	3.3190617228425445