Year	% of GDP
1974	8.676706673801696
1975	11.695062084897488
1976	14.163419697960808
1977	11.971231191445064
1978	11.913390106903424
1979	10.710009676731561
1980	11.815873256519103
1981	9.930077510976204
1982	9.90630650375322
1983	10.044436785287854
1984	10.125797855859206
1985	10.113127716935619
1986	10.378534153750293
1987	10.050164629626437
1988	10.101942823372978
1989	12.426841864800938
1990	11.135118320012536
1991	12.466323690383112
1992	12.895355832721936
1993	12.27283840820018
1994	12.015768060227455
1995	13.003998509687035
1996	12.76066130597532
1997	14.999011273811066
1998	13.664138643067847
1999	13.546764140053865
2000	15.363117122411593
2001	15.725568119652344
2002	15.684133514566396
2003	15.315727929737696
2004	13.287378898084398
2005	12.30760946929693
2006	10.563596659680234
2007	10.381125226860254
2008	13.707783644394766
2009	13.969368342162408
2010	14.907125735687535
2011	16.433864738445696
2012	16.62244602163802
2013	16.498195149962456
2014	16.128299082331655
2015	14.52773540330746
2016	11.460617856235713
2017	12.658184108862708
2018	14.066324785390721
2019	13.60221929519971
2020	15.769858485628774
2021	18.514385713225103
2022	22.123750442592428
2023	18.617805775175114