Year	% of GDP
1977	2.6305062465223625
1978	2.0291990252603207
1979	-0.21342969248501464
1980	-0.16409310955473655
1981	3.0529410634194796
1982	2.2027688945166557
1983	1.0572082727262082
1984	5.611128912434332
1985	5.441293675005502
1986	2.925683749270132
1987	3.1558438773354958
1988	4.103987158908265
1989	3.498650439838945
1990	2.3041667909788304
1991	3.545695316547079
1992	4.776559049710808
1993	6.19880976982837
1994	5.550956759297696
1995	5.867467744220107
1996	5.855838672963939
1997	8.588088109905021
1998	8.30236609471629
1999	9.495056317338925
2000	10.489648665038406
2001	6.665875167423985
2002	6.872422921954022
2003	10.791821916082064
2004	12.487746363982625
2005	11.363647522303827
2006	12.483941701760282
2007	8.320406527619717
2008	1.3264418025595928
2009	5.849950641517509
2010	13.033280346503778
2011	6.211198936603739
2012	8.8773281834645
2013	9.606768907062836
2014	6.866976029147569
2015	8.878979615368863
2016	7.276412513780678
2017	5.344109873701749
2018	5.04991825776315
2019	4.270463522845212
2020	0.3302686944324717
2021	6.895854748543306
2022	9.438212753848495
2023	7.663932663589036