Year	% of GDP
2000	2.783127773081263
2001	3.094993095275539
2002	3.347606508255064
2003	3.4825771038770705
2004	3.432739653236748
2005	3.336644843732523
2006	3.416606152617365
2007	3.361504532672941
2008	3.4044741628309922
2009	3.8817048275340844
2010	3.469215674565044
2011	3.214300583407344
2012	3.209462257740466
2013	3.0864384812440893
2014	3.0722208594118423
2015	3.011630973830433
2016	3.148060110271373
2017	3.032942573563212
2018	2.9699800898614344
2019	3.0624436912649977
2020	3.5027335973444766
2021	3.565055020112129