Year	% of GDP
2000	3.16541862
2001	3.98203588
2002	3.55323148
2003	3.55934095
2004	3.45442104
2005	2.62977505
2006	3.45171332
2007	4.6397357
2008	4.36957979
2009	4.86560154
2010	3.9816153
2011	4.93363905
2012	5.62558651
2013	6.12028074
2014	5.8080492
2015	5.62011147
2016	5.59334755
2017	6.03923559
2018	5.56858873
2019	5.77186584
2020	4.77819252
2021	4.20355701