Year	% of GDP
1996	0.945900022983551
1997	0.987689971923828
1998	1.00487005710602
1999	0.980650007724762
2000	1.00364005565643
2001	1.04069995880127
2002	1.08124005794525
2003	1.05894005298615
2004	1.05025005340576
2005	1.04435002803802
2006	1.08401000499725
2007	1.12899005413055
2008	1.15971994400024
2009	1.21786999702454
2010	1.21797001361847
2011	1.20155000686646
2012	1.26218998432159
2013	1.30106997489929
2014	1.33840000629425
2015	1.33850002288818
2016	1.36642003059387
2017	1.37012994289398
2018	1.42443001270294
2019	1.461590051651
2020	1.50680005550385
2021	1.45392000675201