Year	% of GDP
1996	3.51128589512011
1997	3.7865044666183802
1998	3.51189797884574
1999	4.00594743451673
2000	5.1539431901456
2001	4.0275711979198
2002	4.209954106249239
2003	3.44790847102019
2004	2.9731615637402697
2005	2.27394357408135
2006	2.17062119905688
2007	2.25051717000289
2008	2.12979811206655
2009	2.15727645847456
2010	2.08596534194605
2011	2.0036450286792
2012	1.97099365573843
2013	1.9006599316699901
2014	1.9407687642610898
2015	1.82608633648213
2016	1.7451557271187301
2017	1.8375075266195602
2018	1.61493759611063
2019	2.21441908263068
2020	2.10133361802485
2021	2.00618591411266
2022	2.2789988129115297