Year	% of GDP
2001	3.905726014889973
2002	2.6798619958482934
2003	2.278430593459696
2004	2.7648731782913374
2005	2.986828538654065
2006	3.1950398550545662
2007	2.525610781526436
2008	4.581085626410291
2009	3.0500843602027485
2010	2.8069799371491313
2011	3.5859780779988575
2012	3.2396568568517066
2013	3.329320087853746
2014	3.1375130760845042
2015	3.709603818387134
2016	3.068568866555986
2017	3.5304812548014306
2018	4.337178077347105
2019	4.690084818249875
2020	7.292610993186057
2021	4.284783024814791