Year	% of GDP
1979	0.2942483509910304
1980	0.3784781040018873
1981	0.579133822379009
1982	0.5843743383643839
1983	0.6583232675805706
1984	0.6091340589734325
1985	0.5626244967420371
1986	0.5962664903294396
1987	0.7594420585632886
1988	1.1762228947067566
1989	1.3554970632717274
1990	1.5702956734576623
1991	1.8272619484924935
1992	2.6342511479770394
1993	4.364813897817382
1994	4.249401508742228
1995	3.841440969287121
1996	3.86325982213384
1997	4.040139447323644
1998	4.158492793806991
1999	3.3660084431582993
2000	2.773365132377512
2001	2.8369564944059937
2002	3.104001896831081
2003	2.9606263058951945
2004	3.106401466501528
2005	4.16530513474309
2006	4.08722127146938
2007	4.095323268517827
2008	3.5390070134058482
2009	2.4057629360171386
2010	3.782251362168028
2011	3.497527776422582
2012	2.833514854669576
2013	3.050636093690604
2014	2.5779130724316857
2015	2.2994395953412003
2016	1.6192898029582623
2017	1.6129899172290407
2018	1.8716154046237787
2019	1.5168639915681374
2020	1.7289715911170294
2021	2.100672551580557
2022	1.2631087894666095