Year	% of GDP
1980	11.04444989629101
1981	11.045095025677549
1982	11.044223199814772
1983	11.044919200219118
1984	11.0453013481364
1985	11.04536042814632
1986	11.044918137908923
1987	11.045170448944184
1988	11.045186566461359
1989	11.045321436112106
1990	11.044712319398137
1991	11.04535994583887
1992	11.045215006690565
1993	11.045088039426691
1994	11.045068091189526
1995	11.044668056607694
1996	11.045080618624548
1997	11.045225185695928
1998	11.045024029507136
1999	11.044799782569307
2000	11.044991579116207
2001	11.044845033571251
2002	11.044882525730634
2003	11.045057241237235
2004	11.04483447909892
2005	11.04506128195112
2006	11.045132811272424
2007	10.724126220560382
2008	10.934153476466593
2009	11.476770257913396
2010	11.138843794424643
2011	10.659963052688635
2012	10.043600765070028
2013	9.3267581993678
2014	10.275232374862878
2015	10.591904675192485
2016	10.614916062991076
2017	10.82377663213396
2018	10.229688935555847
2019	10.094884103532781
2020	10.560788401402444
2021	10.149763687221302
2022	9.614947989831077
2023	9.252016780281773