Year	% of GDP
1997	0.709150016307831
1998	0.753009974956512
1999	0.946820020675659
2000	0.854240000247955
2001	0.304010003805161
2002	0.639680027961731
2003	0.491380006074905
2004	0.289530009031296
2005	0.395300000905991
2006	0.439850002527237
2007	0.578769981861115
2008	0.669659972190857
2009	0.817300021648407
2010	0.702279984951019
2011	0.683340013027191
2012	0.85316002368927
2013	0.683669984340668
2014	0.723089993000031
2015	0.810899972915649
2016	0.838220000267029
2017	0.872380018234253
2018	0.918910026550293
2019	0.886669993400574
2020	0.90557998418808
2021	0.994090020656586
2022	0.967100024223328