Year	% of GDP
2002	0.238309994339943
2003	0.235660001635551
2004	0.488229990005493
2005	0.528930008411407
2006	0.578440010547638
2007	0.545390009880066
2008	0.526669979095459
2009	0.50739997625351
2010	0.587409973144531
2011	0.665059983730316
2012	0.804319977760315
2013	0.743359982967377
2014	0.691789984703064
2015	0.715149998664856
2016	0.55689001083374
2017	0.552119970321655
2018	0.576089978218079
2019	0.56427001953125
2020	0.654410004615784
2021	0.666029989719391