Year	% of GDP
2000	3.69517851
2001	3.75390792
2002	3.80860424
2003	4.43205786
2004	4.52466917
2005	4.50320387
2006	4.29524565
2007	3.81156135
2008	4.08357811
2009	4.84195948
2010	4.95791674
2011	4.63501215
2012	4.7558527
2013	4.57341814
2014	4.44085073
2015	4.31544638
2016	4.12037039
2017	4.15852404
2018	4.03953457
2019	3.87725186
2020	4.27983093
2021	3.68486166