Year	% of GDP
2001	0.066990002989769
2002	0.0749299973249435
2003	0.0613499991595745
2004	0.0606600008904934
2005	0.0609100013971329
2008	0.0411299988627434
2011	0.0421600006520748
2012	0.0651699975132942
2013	0.0716300010681152
2014	0.0790100023150444
2015	0.0967399999499321
2016	0.11676000058651
2017	0.148880004882812
2018	0.146840006113052
2019	0.137510001659393
2020	0.156969994306564
2021	0.143979996442795