Year	% of GDP
1977	4.267503331813668
1978	4.821058029900958
1979	5.60802708274068
1980	7.209723198583524
1981	8.293358238647816
1982	9.16281475824935
1983	7.447285778375953
1984	5.198094522857626
1985	8.923036401456722
1986	4.048274905372466
1987	3.4176773245130456
1988	2.8271474183049454
1989	3.040073077182583
1990	1.1905037140280939
1991	0.6210249349854674
1992	5.113831504248081
1993	2.0179021541577895
1994	2.344105139749478
1995	2.151787199191486
1996	2.7884410564436664
1997	1.7489677612312298
1998	1.9537393044397562
1999	3.3373811476927044
2000	5.506922788525066
2001	4.29425085095246
2002	5.239804117006094
2003	4.058805366920717
2004	4.160698409963652
2005	4.689873511566824
2006	6.185281270537782
2007	5.369576788660605
2008	4.5490859654024485
2009	4.69765136599604
2010	4.705841939638019
2011	6.784516519141437
2012	8.41706887073113
2013	7.64162704905767
2014	7.356855214942787
2015	6.410619242749413
2016	6.996696721792203
2017	8.176415400373667
2018	8.298648704366276
2019	8.63377953134053
2020	10.83261209552768
2021	8.774093801083072
2022	6.078094166831815