Year	% of GDP
1996	0.7584345422793534
1997	0.8014787021958061
1998	0.6522241226496607
1999	0.6783938211391505
2000	0.6968156737354668
2001	0.7769582338020601
2002	0.7876395699734637
2003	0.7865334933388107
2004	0.7599640311535447
2005	0.7506249193109349
2006	0.7570389262873433
2007	0.8104863210126494
2008	0.7911498871147228
2009	0.888438073391028
2010	0.8549149063809255
2011	0.8163857074485693
2012	0.8490117282560614
2013	0.8352270820864416
2014	0.8604809685850829
2015	0.8699751748001994
2016	0.9264042448429043
2017	0.9552206965291749
2018	0.9405585464096783
2019	0.9779649275452115
2020	1.018558911679224
2021	0.9768621091815787