Year	% of GDP
1979	0.4002671973315749
1980	0.6000554727938088
1981	0.5767823033965848
1982	0.7087453598643519
1983	0.5809361957451458
1984	0.5924742038224005
1985	0.6845163315273795
1986	0.8818842534529252
1987	1.0003872540454661
1988	0.9647274428288759
1989	0.5513663920493858
1990	0.600298111373461
1991	0.6593719955683094
1992	0.7486358360619663
1993	0.6468806444978769
1994	0.700604382872594
1995	0.7586121257357692
1996	0.6928971037752483
1997	0.6772044006521687
1998	0.7556191291927543
1999	0.9578986389269949
2000	0.9935257786929282
2001	1.2374320617935706
2002	1.5836376784077018
2003	2.0255621848876553
2004	2.0882575399507215
2005	1.9902732546190058
2006	2.012106011113462
2007	1.841617103455698
2008	1.6277963402019673
2009	1.539459718252968
2010	1.2525200908982317
2011	1.1372275778436591
2012	1.150510033484258
2013	1.145594682054809
2014	1.190320122465594
2015	1.5012711032929142
2016	1.659082107437102
2017	1.6482346408509143
2018	1.8669838054022885
2019	2.049583328852507
2020	2.6273475788789264
2021	2.8567934857764654
2022	2.748552008355473
2023	2.6305339672853782