Year	% of GDP
1977	4.97036895431084
1978	4.459590222558795
1979	3.511558740029742
1980	2.9894571995861186
1981	2.861251611623525
1982	2.5948592411260707
1983	2.5506421687471197
1984	1.9217342735460448
1985	1.9950987025092837
1986	1.7402128586543848
1987	1.7619357801104147
1988	1.6169837311269368
1989	1.5436569289608593
1990	1.59926342584354
1991	1.5826619566255151
1992	1.5841667959768089
1993	1.5178004334701842
1994	1.3533692019625039
1995	1.3960703205791105
1996	1.3601657940663174
1997	1.4272313728654569
1998	1.3674989213828808
1999	1.3537894134909059
2000	1.2897441486495935
2001	1.2902599512934254
2002	1.3618909744820733
2003	1.3608232922312344
2004	1.2412070639443604
2005	1.3290026327464435
2006	1.232817552094284
2007	1.1793680320541076
2008	1.1309376605094452
2009	1.1120906128118824
2010	1.2147354427165797
2011	1.6374678070649584
2012	1.812909725691353
2013	1.4840791918740306
2014	1.4411041033189715
2015	1.4454113149610763
2016	1.4586653473125204
2017	1.6649290899371327
2018	1.6267919119597514
2019	1.6477583745666478
2020	2.2802987543152673
2021	2.0820179060015866
2022	1.9544387334221716
2023	1.9144412888275983