Year	% of GDP
1990	71.19670727593237
1991	68.95545719728959
1992	71.81696755434088
1993	70.83083309549806
1994	70.40414042747575
1995	68.89512411780699
1996	68.7250820689297
1997	71.16290821420743
1998	69.37217614197004
1999	70.6525970235905
2000	69.91806105630961
2001	69.1786287292672
2002	70.70935442897796
2003	71.82381708631846
2004	69.34817958000225
2005	68.12029214746404
2006	66.8948061404505
2007	65.18317112458942
2008	66.50809080700296
2009	69.30559489368589
2010	69.58303175410168
2011	69.02816442710242
2012	68.8766351538013
2013	69.29246832645757
2014	67.65631191371095
2015	66.07485917907682
2016	66.34813971518528
2017	66.10674807948668
2018	66.86453162503389
2019	66.40442593608769
2020	67.09725175337543
2021	66.82074157306681
2022	66.86334915928734
2023	66.02682498729308
