Year	% of GDP
1996	0.417490005493164
1997	0.419589996337891
1998	0.411309987306595
1999	0.453370004892349
2000	0.438840001821518
2001	0.424609988927841
2002	0.388859987258911
2003	0.410129994153976
2004	0.403759986162186
2005	0.420740008354187
2006	0.452160000801086
2007	0.460070013999939
2008	0.470550000667572
2009	0.583980023860931
2010	0.561039984226227
2011	0.565970003604889
2012	0.634909987449646
2013	0.618489980697632
2014	0.593959987163544
2015	0.622619986534119
2016	0.558149993419647
2017	0.556309998035431
2018	0.488299995660782
2019	0.478130012750626
2020	0.541540026664734
2021	0.517639994621277