Year	% of GDP
1996	0.119180001318455
1997	0.102140001952648
1999	0.248359993100166
2000	0.244709998369217
2001	0.252310007810593
2002	0.23055000603199
2003	0.245340004563332
2004	0.23827999830246
2005	0.218889996409416
2006	0.232710003852844
2007	0.200800001621246
2008	0.203309997916222
2009	0.234549999237061
2011	0.361460000276566
2013	0.441639989614487
2014	0.479880005121231
2015	0.616089999675751
2016	0.778289973735809
2017	1.00165998935699
2018	1.11373996734619
2019	1.14316999912262
2020	1.32818996906281
2021	1.20972001552582