Year	% of GDP
1980	29.37529272698887
1981	29.37549199685122
1982	29.376839876955646
1983	29.375513557929334
1984	29.37648691514671
1985	29.37622339643136
1986	29.37623465409
1987	29.37656499536663
1988	29.375977095929628
1989	29.375854883276876
1990	29.375908352569034
1991	29.376561938433504
1992	29.37653841706177
1993	29.37584803256445
1994	29.376269656158303
1995	29.376470667104655
1996	29.376110562685092
1997	29.37599899708528
1998	29.37584347539342
1999	29.37635894183729
2000	29.37631994011816
2001	29.376286577271593
2002	29.376012417483743
2003	29.376127271886414
2004	29.37601991756872
2005	29.376273887197897
2006	29.376340628300184
2007	28.956646255431036
2008	29.138915008096955
2009	30.0330064008618
2010	30.41605949897165
2011	30.56422084315092
2012	30.17296341237686
2013	30.78986255583745
2014	30.01145050773643
2015	30.598628211772727
2016	31.368472028772054
2017	31.898886868975335
2018	33.72015305864892
2019	35.62009798787814
2020	35.79740358191984
2021	35.511652408758046
2022	36.412196012720706
2023	37.18527377097576