Year	% of GDP
1974	13.728318556223448
1975	8.353727544252184
1976	11.418063761057514
1977	14.254676818060549
1978	13.386444213957807
1979	13.906028173072022
1980	14.196889346349595
1981	14.072896518375241
1982	14.057573219052442
1983	17.505706384697568
1984	21.10455983983798
1985	19.592603398597124
1986	20.19791157969508
1987	20.81079179383967
1988	21.48480883674097
1989	22.87819043980201
1990	22.446639132284268
1991	24.00871146151319
1992	24.86765011471294
1993	26.204950033302932
1994	28.952164075063898
1995	28.827915737295985
1996	25.633880086388178
1997	25.93687865042873
1998	26.232506161594394
1999	27.885159521623766
2000	30.553989260471187
2001	40.26714766747787
2002	42.74017724299702
2003	43.98857717697682
2004	45.62299435942123
2005	47.42106814719038
2006	50.475998555313886
2007	50.28191175804571
2008	51.18762707135656
2009	54.881715592653116
2010	58.74590160953945
2011	59.81176831302969
2012	60.74246082948726
2013	61.39991429420799
2014	63.337554097927296
2015	64.50655207476595
2016	54.96914449901295
2017	55.8375416123996
2018	54.8325562875275
2019	54.87025350605648
2020	57.7630649896826
2021	56.63727859232752
2022	54.11770085094696
2023	51.21856332633591