Year	% of GDP
2000	3.6403148892054715
2001	3.8014013412583814
2002	3.8638106979329825
2003	3.643047397581477
2004	3.6202847790067594
2005	3.55546182573865
2006	3.4891975243198727
2007	3.4200502304126066
2008	3.3914747632916193
2009	3.372095241953154
2010	3.201848823522308
2011	3.1567777994708313
2012	3.208861071904239
2013	3.5677032872629177
2014	3.470838378952299
2015	3.452421983687841
2016	3.3845594925614195
2017	2.9636075231937378
2018	2.9091308880679474
2019	2.980573333406792
2020	3.3054090379313377
2021	3.2656018458960148