Year	% of GDP
1976	7.168973727319304
1977	8.554516654081018
1978	9.741827844765567
1979	10.034046665760334
1980	12.473076444686177
1981	10.961582783657656
1982	10.24147268145199
1983	10.584185435462528
1984	10.022609851084784
1985	10.423893156560563
1986	10.183044542541513
1987	11.799229463176388
1988	10.743439639415781
1989	9.951690085538386
1990	10.246667706061936
1991	10.806998728241995
1992	14.665630991411547
1993	15.984446427562283
1994	21.536783011851504
1995	22.547073536586478
1996	22.12225158681409
1997	22.165372072216517
1998	15.676917793451894
1999	17.23485543837192
2000	12.847598489821912
2001	10.454617018678732
2002	8.957206225263867
2003	10.08272646617094
2004	11.62882566598591
2005	10.025242026994393
2006	9.714350290373298
2007	11.95010456075775
2008	12.557625632768415
2009	12.030191973386872
2010	9.627177653780471
2011	7.6278598163752305
2012	8.387899505621135
2013	9.800842814397303
2014	11.37463654292523
2015	10.801393473468966
2016	10.622540072411361
2017	11.107884109809264
2018	10.632644058848735
2019	9.750194277204525
2020	5.918170252523513
2021	6.397964018583209
2022	7.921958099194019
2023	9.570714017360691