Year	% of GDP
2000	4.03
2001	4.26
2002	4.24
2003	4.01
2004	3.96
2005	3.79
2006	3.63
2007	3.52
2008	3.51
2009	3.49
2010	3.27
2011	3.25
2012	3.33
2013	3.75
2014	3.62
2015	3.6
2016	3.5
2017	2.94
2018	2.86
2019	2.95
2020	3.34
2021	3.28