Year	% of GDP
2000	4.713884071101667
2001	5.068106735413489
2002	4.984066341694607
2003	4.828520654508423
2004	4.733695867350998
2005	4.561952935101709
2006	4.463365230343793
2007	4.493501005713722
2008	4.504298922052817
2009	5.282039580241394
2010	5.169630081983673
2011	5.168488659873138
2012	5.296357131777529
2013	5.109222597356145
2014	5.477382133272124
2015	5.985790344954224
2016	6.370788242262609
2017	6.353921120368723
2018	5.925074863152915
2019	5.415550875023512
2020	5.431573492953719
2021	5.467619594306317