Year	% of GDP
1976	1.1753739953439155
1977	8.982013297765153
1978	6.247286338116035
1979	6.082345598151314
1980	5.138490330630069
1981	15.132800946465544
1982	28.489380273494326
1983	31.030414520480747
1984	24.231735751295336
1985	20.38092600797519
1986	17.889414547604968
1987	13.864644913627638
1988	10.750540394487976
1989	11.41292167619937
1990	12.428557519108125
1991	9.88905738686248
1992	8.527350626058654
1993	11.281173040450646
1994	12.301015831454409
1995	13.949660356466003
1996	13.533295604602905
1997	16.663736106629454
1998	19.71358962856091
1999	18.785059774688577
2000	19.14798827866814
2001	17.007783306731763
2002	18.15917087615398
2003	16.548943783537858
2004	22.45114987192852
2005	37.807561478718014
2006	41.49905694592925
2007	52.254572022389524
2008	55.74477872448171
2009	51.79589557475155
2010	45.83650524764008
2011	39.707352291956916
2012	32.69463352366454
2013	28.894698258708868
2014	26.454078922907957
2015	26.49150176561327
2016	27.41012852349022
2017	27.94909281146672
2018	27.728752663610283
2019	28.128326121554377
2020	47.557929839017184
2021	34.84804318292049
2022	30.99066582170018
2023	31.62469299086193