Year	% of GDP
1998	17.735532532872654
1999	15.96969124540933
2000	12.807880724674856
2001	13.202836900274932
2002	12.325803158663117
2003	12.997241122863908
2004	12.757968866214975
2005	12.693059597034209
2006	12.48720495663768
2007	14.55458857527061
2008	13.75557953631974
2009	13.541114776491991
2010	13.05566572296428
2011	12.05589790480203
2012	12.164046662504932
2013	11.790279987132637
2014	11.7936351634763
2015	13.735111014553775
2016	13.965316363713947
2017	14.698424277109847
2018	14.848607314526213
2019	15.35643947588215
2020	10.232803473468843
2021	13.193738388091376
2022	15.812833755963144
2023	16.187966116894124