Year	% of GDP
1996	0.889630019664764
1997	1.05107998847961
1998	0.765410006046295
1999	0.644749999046326
2000	0.638059973716736
2001	0.624650001525879
2002	0.563139975070953
2003	0.561460018157959
2004	0.50068998336792
2005	0.493319988250732
2006	0.474880009889603
2007	0.447459995746613
2008	0.46136999130249
2009	0.472719997167587
2010	0.605499982833862
2011	0.652549982070923
2012	0.794610023498535
2013	0.820050001144409
2014	0.876999974250793
2015	1.1572699546814
2016	0.788569986820221
2017	0.884559988975525
2018	0.835550010204315
2019	0.822409987449646
2020	0.897809982299805
2021	0.915390014648438