Year	% of GDP
1991	2.40144002428
1992	2.47534470382151
1993	2.85362924409658
1994	3.00025790157888
1995	3.39956423274014
1996	3.32684097662802
1997	3.10173118542823
1998	2.50563486232653
2000	2.73537209310413
2001	2.77157599765352
2002	2.84531440721058
2003	2.89892952671017
2004	2.59622910971066
2005	3.87915654280266
2006	4.60476139331937
2007	3.26263973797481
2008	3.23943183678499
2009	2.65986899178429
2010	3.94270159675737
2011	6.81789377934184
2012	5.91857964095299
2013	7.34181977446941
2014	9.93570280252464
2015	11.8208490753326
2016	10.7722593971272
2017	9.11569152805325
2018	9.65173767131901
2019	10.2918968518661
2020	9.96007375885991
2021	9.22277326870506