Year	% of GDP
1998	2.47457003593445
1999	2.45981001853943
2000	2.46335005760193
2001	2.47150993347168
2002	2.59441995620728
2003	2.75125002861023
2004	3.07778000831604
2005	4.06443023681641
2006	3.82137989997864
2008	4.02568006515503
2009	4.92073011398315
2010	5.21774005889893
2011	4.90302991867065
2012	4.77698993682861
2013	5.68656015396118
2014	5.72021007537842
2015	5.45637989044189
2016	5.11309003829956
2017	4.62496995925903
2018	4.85822010040283
2019	5.44899988174438
2020	5.68900012969971
2021	5.58900022506714
2022	5.64099979400635