Year	% of GDP
1974	0.4182254326875361
1975	0.7426095212972048
1976	0.5908785046274667
1977	0.49923570383297344
1978	0.47827651472861604
1979	0.41008357480204055
1980	0.4498113320073665
1981	0.4229530088921977
1982	0.3535445115025521
1983	0.37927522019066656
1984	0.5104150254536376
1985	0.6236093947915091
1986	0.83848950102088
1987	0.7223961123259833
1988	0.6884569721969526
1989	0.6070760676733581
1990	0.39548631065246315
1991	0.3962474695004969
1992	0.5366458668990126
1993	0.519896381786407
1994	0.35622047079354113
1995	0.33463614633852884
1996	0.18697664204042666
1997	0.23294626138564586
1998	0.7105678456107968
1999	1.0492699339035243
2000	0.6450555268788656
2001	0.8981099374371396
2002	0.6849066658375061
2003	0.7524561518038579
2004	1.5907515025054226
2005	1.5147502973971092
2006	1.643643768854592
2007	1.3862956838615352
2008	1.289538608710164
2009	1.3890612106380218
2010	1.7121417853266458
2011	1.8939147487216965
2012	1.6106478937335842
2013	1.4270288770392163
2014	2.016767288803957
2015	1.7718772532422156
2016	1.6960596997039576
2017	2.3606510198222805
2018	2.3110575180445885
2019	2.3946666534692507
2020	3.790155530849029
2021	2.368965218935408
2022	4.699026473648916
2023	3.151166120250216