Year	% of GDP
1975	27.684391863715646
1976	29.184470374048928
1977	31.59323075770699
1978	34.56198849778164
1979	31.854074670165595
1980	28.80304315021997
1981	32.220974359558866
1982	39.295191556641214
1983	42.933770283595656
1984	43.8071929650261
1985	43.710006780364374
1986	47.170195342675704
1987	45.522907139928044
1988	46.82295055447459
1989	46.80568602574196
1990	38.478889113683096
1991	46.283990103906746
1992	41.508058087326056
1993	43.45881067558759
1994	46.30430927854026
1995	46.614122519326415
1996	44.861021837265525
1997	45.61228281175207
1998	48.88560063687309
1999	46.12347988472392
2000	41.880418124843104
2001	44.70148188205705
2002	45.759667625862036
2003	44.43189165555932
2004	42.9872095904146
2005	39.433643613553336
2006	38.00340564952606
2007	38.84249307231381
2008	36.61725534237247
2009	44.50120959589146
2010	43.08197870611478
2011	40.27744256124701
2012	41.027653565086844
2013	42.93975770608076
2014	45.44903482337542
2015	53.27906384790468
2016	55.1707459259389
2017	53.08267252887136
2018	49.295127877235366
2019	51.04455657161721
2020	54.73682267126003
2021	48.86200174819446
2022	43.19258587738361
2023	45.895455449316756