Year	% of GDP
2000	4.052643048375765
2001	4.399380924694845
2002	4.268389791128652
2003	4.991529874458203
2004	4.770587618991787
2005	4.523559393824909
2006	4.45658642968786
2007	4.424366684396566
2008	4.119867530605569
2009	4.4645345995027075
2010	4.224717499232826
2011	4.135759706849355
2012	4.164794150464757
2013	4.284649984396914
2014	4.224999514910778
2015	4.452833085453758
2016	4.7798318629782095
2017	4.744270210035635
2018	4.443085524158491
2019	4.379815292340886
2020	4.867284127929687
2021	5.1647099391367455
