Year	% of GDP
1998	48.194292412913256
1999	39.96332553503258
2000	28.394702450388102
2001	25.859615509761298
2002	22.230683920328996
2003	20.450852223554985
2004	20.215559151670785
2005	18.15707856696014
2006	16.703981671401518
2007	17.025545244098225
2008	14.219080168220035
2009	12.075844255494463
2010	10.609404646769455
2011	10.5031413371437
2012	10.714248927723876
2013	10.770536227862195
2014	11.3538982455304
2015	10.979478503092633
2016	10.784617879353387
2017	11.005301783658291
2018	11.04701720166811
2019	11.388054028035084
2020	9.547296836458198
2021	10.467531030918344
2022	10.520878448985718
2023	10.534140287077738