Year	% of GDP
2000	3.47
2001	3.85
2002	4.2
2003	4.37
2004	4.1
2005	4.1
2006	3.63
2007	3.43
2008	3.48
2009	3.55
2010	3.92
2011	3.85
2012	3.83
2013	4.04
2014	4.47
2015	4.13
2016	4.11
2017	4.12
2018	4.22
2019	4.19
2020	5.07
2021	5.38