Year	% of GDP
1975	11.506681715964605
1976	8.79219763726432
1977	9.22992223937711
1978	8.246291641749437
1979	8.14358822220574
1980	7.475442043222004
1981	5.751004016064257
1982	5.211448099102947
1983	5.454545454545454
1984	5.138427464008859
1985	4.867724867724868
1986	4.702858978477353
1987	5.00583430571762
1988	4.742183214481624
1989	3.722428748451053
1990	3.444526809982703
1991	3.4571850393700787
1992	3.436382217680123
1993	3.2192771084337353
1994	2.4404899468453896
1995	3.2025117739403455
1996	3.3340344972654603
1997	2.672636815920398
1998	1.9943522767384398
1999	2.334512379989894
2000	1.9954240889034156
2001	2.1181862825339666
2002	1.8895863511990987
2003	1.9785013241937999
2004	1.6431993032370444
2005	1.5865951040712134
2006	1.4501626790110524
2007	1.3470225783980576
2008	1.295864963887019
2009	1.4375584757407165
2010	1.4031320533096172
2011	1.3242449853812788
2012	1.5991325046494598
2013	1.7624157584458024
2014	1.678503995462578
2015	1.5959470063887073
2016	1.6062916907060354
2017	1.661168903375207
2018	1.9827594679078935
2019	2.00523584328467
2020	2.6468209976091774
2021	1.9084071344046316
2022	1.4449831361063707
2023	1.3915943403552142