Year	% of GDP
1996	2.4155678558144884
1997	4.126901733951172
1998	3.2889077724787263
1999	14.772336495574402
2001	6.72836298464978
2004	48.925142628958405
2005	40.81887993095707
2006	29.65234872458218
2007	23.331229987568676
2008	10.149542431661308
2009	4.160359302347663
2010	2.8200606991043076
2011	2.042467851248545
2012	2.2164128482688006
2013	1.0227309677969396
2014	0.7205452967406748
2020	2.6712445036680914
2021	2.5783371617066084
2022	1.0618990566896505