Year	% of GDP
2000	4.713884071101667
2001	5.0681067354134886
2002	4.984066341694606
2003	4.828520654508423
2004	4.733695867350998
2005	4.561952935101709
2006	4.4633652303437925
2007	4.493501005713721
2008	4.504298922052817
2009	5.282039580241395
2010	5.169630081983674
2011	5.168488659873137
2012	5.296357131777529
2013	5.109222597356145
2014	5.477382133272124
2015	5.985790344954224
2016	6.370788242262609
2017	6.3539211203687245
2018	5.925074863152914
2019	5.415550875023512
2020	5.431573492953718
2021	5.467619594306316