Year	% of GDP
2000	2.51
2001	2.8
2002	3.07
2003	3.65
2004	3.4
2005	3.73
2006	3.88
2007	3.56
2008	3.19
2009	3.85
2010	3.69
2011	3.42
2012	3.74
2013	3.34
2014	3.46
2015	3.69
2016	3.65
2017	3.52
2018	3.5
2019	3.18
2020	3.73
2021	4.09