Year	% of GDP
1995	18.3585039242939
1996	16.463212296376998
1997	16.815040737302418
1998	15.98582268017135
1999	15.966369863298075
2000	16.680337312971723
2001	16.35891223334396
2002	15.220690757528772
2003	14.837701811175238
2004	15.006825415509773
2005	14.282738240884166
2006	13.76576806962916
2007	13.836167458052143
2008	13.4453675603017
2009	13.197634126570653
2010	12.900932479534353
2011	13.523547258406449
2012	13.466991332241765
2013	12.559833782517968
2014	12.672683281497843
2015	12.686702104293218
2016	12.78579560055524
2017	12.65094070476479
2018	12.19354107407993
2019	11.796340501379998
2020	11.940491873218745
2021	11.560757555205921
2022	11.681965405857078
2023	10.592091886437277
