Year	% of GDP
1995	4.0344500541687
1996	3.92371010780334
1997	4.37342977523804
1999	3.89257001876831
2000	3.25661993026733
2002	3.02970004081726
2004	2.25590991973877
2005	2.26353001594543
2006	2.62678003311157
2007	2.83138990402222
2008	2.58945989608765
2009	3.06071996688843
2010	3.46225738525391
2011	3.49352097511292
2012	3.90168619155884
2013	3.43700003623962
2014	3.42165279388428
2015	2.7885799407959
2016	2.97810006141663
2017	2.75081992149353
2018	2.61595010757446
2019	2.8569700717926
2020	4.44600009918213
2021	4.38600015640259
2022	4.20499992370605