Year	% of GDP
2003	2.84187031
2004	4.26103544
2005	5.28044748
2006	6.00192022
2007	5.64793253
2008	6.96563959
2009	7.30931807
2010	6.47058821
2011	6.86541462
2012	6.99215221
2013	8.5323782
2014	7.60483742
2015	7.67216587
2016	6.89625168
2017	6.75752544
2018	6.36952639
2019	6.02679253
2020	9.96385956
2021	11.43839264