Year	% of GDP
1977	0.4698065343003371
1978	0.4663413882516095
1979	0.5072939963204167
1980	0.566651627377354
1981	0.4318048815927435
1982	0.5260030149349503
1983	0.672221409791733
1984	0.6895313070611361
1985	0.6798369001053587
1986	0.6668880856804958
1987	0.7645941265402549
1988	0.7631045446993033
1989	0.8494189560740525
1990	0.7023918856896451
1991	0.6668217391127278
1992	0.8347139889277657
1993	0.9642566841278563
1994	0.9063214704291784
1995	0.6929703084433079
1996	0.5654748956346485
1997	0.706641656695816
1998	0.7101593232839142
1999	1.2996050021873156
2000	1.2853595863481444
2001	1.1154191264850282
2002	1.174243863554448
2003	1.0829967335694757
2004	1.2349775047120541
2005	2.483422075631726
2006	2.438360811923977
2007	2.329989133418694
2008	2.253725919671075
2009	2.3501228312528104
2010	2.2110085232338714
2011	2.307185686204283
2012	2.2355739552946137
2013	2.118345138327152
2014	2.1456806363403533
2015	2.5534770346332776
2016	2.491831671114321
2017	2.590711323943464
2018	2.738835304034679
2019	2.7546654723959367
2020	2.5307314353397916
2021	2.6050676592317603
2022	2.6132679543987827
2023	2.6317913786582814