Year	% of GDP
1980	1.1577580500811515
1981	1.3736264390109891
1982	1.2787393717385689
1983	1.278990511084584
1984	1.3296773282875711
1985	0.9575604311690913
1986	8.04874587360068
1987	7.650656506818409
1988	7.04312948656358
1989	9.97691398614852
1990	8.876576734060688
1991	0.6751083065193297
1992	0.6087768079752819
1993	5.733423100092678
1994	5.964137630030242
1995	5.909665528526388
1996	5.6818055786613515
1997	5.26627182044887
1998	5.607875135427954
1999	5.697718631178691
2000	5.756300112533414
2001	5.398363107267003
2002	5.277021316111917
2003	5.705921026842777
2004	5.61202151056167
2005	2.58460983299066
2006	2.317898387443793
2007	2.2681983391212497
2008	2.1289394366854464
2009	2.1081633589339637
2010	2.269411227780663
2011	2.1335569595092165
2012	2.289278093940534
2013	2.3478162870729435
2014	2.275767133465589
2015	2.5493845976745932
2016	2.2400924130134845
2017	2.345210500276542
2018	2.409503632611773
2019	3.81252183307371
2020	3.570858157392355
2021	4.316448447461775
2022	3.8274243270151165
2023	3.4847041803534506