Year	% of GDP
1976	0.4552716994832366
1977	1.8357106295906152
1978	2.168825571298866
1979	2.887136159853107
1980	1.372147486042023
1981	2.1086930973645353
1982	3.300787146557984
1983	3.2923146528704317
1984	4.3455421378047046
1985	4.135388438374108
1986	4.17033768815837
1987	4.71545830520708
1988	5.029738453129923
1989	5.439348041712401
1990	7.603024210060455
1991	9.04805681175698
1992	11.943249397989916
1993	11.911908559014359
1994	12.653766541691366
1995	11.924525555380843
1996	11.306079132485433
1997	11.734695686856437
1998	12.237006069386258
1999	12.282663976887322
2000	14.969968801760237
2001	15.666963044171927
2002	15.418277471714873
2003	16.017194703532848
2004	18.674209930280348
2005	20.605524561164785
2006	21.767024648294456
2007	21.802871544667656
2008	20.874926126751205
2009	19.32969806188294
2010	18.81966486752978
2011	17.964843071910018
2012	18.30179127301188
2013	18.036859454229557
2014	18.414072744394776
2015	18.23780572274006
2016	18.8561820072362
2017	20.002063896860385
2018	20.720840026322968
2019	21.04358006856108
2020	23.80027955571042
2021	25.741218206046835
2022	24.048379486308917
2023	23.93606231490121