Year	% of GDP
2000	4.223920906614995
2001	4.365263658550669
2002	4.578016969056442
2003	4.77179571697718
2004	4.622728495632138
2005	4.662684100940851
2006	4.540958217157453
2007	4.473252661114543
2008	4.691844433728265
2009	5.045966860023396
2010	5.091794462374116
2011	4.824594189059555
2012	4.776386468866944
2013	4.8812652701193
2014	4.836630171384904
2015	4.760087165457336
2016	4.86245158326827
2017	4.816161034757366
2018	4.8736840435320214
2019	4.963590391350155
2020	5.511467964761968
2021	5.6250489601865885