Year	% of GDP
1995	2.985085010528565
1998	3.3006548881530753
1999	3.7083899974823
2000	3.63414001464844
2001	3.8391250371933
2002	3.75037002563477
2003	3.45890498161316
2004	3.5786600112915
2006	3.79288995265961
2007	3.855165123939515
2008	4.639089822769165
2009	5.325745105743405
2010	4.50743007659912
2011	4.307725191116335
2012	4.64307022094727
2013	4.69605016708374
2014	4.448405027389525
2015	4.461694955825805
2016	4.363600015640261
2017	4.468044996261595
2018	4.4615499973297155
2019	4.51069021224976
2020	4.562534809112551
2021	3.946750044822695
2022	3.89409995079041