Year	% of GDP
1970	58.94403968002629
1971	59.12548911596653
1972	59.38749676474329
1973	59.4343620777773
1974	58.827978972729426
1975	60.39939337090704
1976	59.37902090883463
1977	59.08829147848511
1978	57.8481675397599
1979	58.31075600939034
1980	59.5808577462864
1981	59.62761750267664
1982	59.80134598316877
1983	59.05736020417767
1984	59.14306047897519
1985	59.11684666647884
1986	59.128203821901714
1987	58.87586852487537
1988	58.39282661312012
1989	58.908145379111495
1990	57.73547408665004
1991	58.01191587353717
1992	58.97032983369564
1993	58.48845079491648
1994	59.00373232987898
1995	58.8624541003672
1996	58.4977598134075
1997	59.104379125767736
1998	59.70388181614867
1999	60.438982444361336
2000	60.54952791871917
2001	59.49358993627049
2002	59.125757289953796
2003	59.38965644917463
2004	58.98887227943723
2005	59.31496128941248
2006	59.37981182038773
2007	59.065685648817926
2008	59.42887321079803
2009	60.43305338087498
2010	60.72530313488772
2011	61.11646733858343
2012	61.29865897230704
2013	60.90149175511438
2014	60.60624960366364
2015	60.76860854620308
2016	60.12422670113955
2017	60.2525531604185
2018	60.18811654929752
2019	59.815795911108935
2020	58.02374226767262
2021	56.6932918448335
2022	59.414203601729696
2023	59.55166541701169