Year	% of GDP
2002	3.82300996780396
2003	3.86901998519897
2004	3.82214999198914
2005	5.36704969406128
2006	5.00697135925293
2007	3.97731995582581
2008	4.28681993484497
2009	4.3888897895813
2010	4.22721004486084
2011	4.12564992904663
2012	5.22161388397217
2013	4.53844022750854
2014	5.17615127563477
2015	4.96908521652222
2016	4.89622449874878
2017	3.88921999931335
2018	3.94578003883362
2019	3.95437002182007
2020	4.43442010879517
2021	5.20045328140259