Year	% of GDP
1975	2.039789565753847
1976	2.590781320504386
1977	2.628449690392139
1978	2.886608478209335
1979	3.4487374600010625
1980	3.8846676073108957
1981	3.7353890788536472
1982	3.8298437894631525
1983	3.8341435767997316
1984	3.8602247554489417
1985	3.768371482148308
1986	3.5592113984720606
1987	3.5513348003237786
1988	3.684332947583936
1989	4.0860898006633795
1990	4.177937403102641
1991	4.925616454448016
1992	5.05800926004316
1993	5.1740140988407255
1994	5.373306070750399
1995	5.745246522579578
1996	5.565358788000977
1997	5.755450001527929
1998	6.342945087349685
1999	6.905669713113345
2000	7.073297596350532
2001	7.2137330289825154
2002	7.410971511197975
2003	7.69524027118925
2004	9.585403968143199
2005	11.175731341592995
2006	12.351468383626653
2007	11.931323036495632
2008	12.34147924959077
2009	10.130509856499765
2010	11.015144398102292
2011	11.032895352810105
2012	11.325041684326374
2013	11.15840734501424
2014	10.798207671344898
2015	10.383078584062458
2016	10.09051778258503
2017	10.09698073425182
2018	10.905364837607005
2019	10.924378704906829
2020	10.253591190188992
2021	10.447982337886584
2022	12.489390263439361
2023	12.619756977189567