Year	% of GDP
1981	6.77463913303123
1982	7.63771603241449
1983	4.92430979832689
1984	5.0779334817114
1985	6.84021391306091
1986	3.33485817993727
1987	3.45644977042351
1988	6.86710373154369
1989	7.17758340190229
1990	8.8741038587943
1991	5.0097754747115
1992	7.19193523878892
1993	8.43549986773079
1994	11.893721916764
1995	12.7224494661582
1996	6.75909440795854
1997	8.03449122945997
1998	3.9651366893904
1999	3.29386885807561
2000	5.22235025250685
2001	5.74160516265939
2002	4.4989917153818
2003	4.59850143279864
2004	14.9665125748657
2005	16.7845880489393
2006	28.4255991071812
2007	27.4768520904907
2008	30.7370693872761
2009	23.7157273322455
2010	35.907762365776
2011	42.2166543859938
2012	22.2729540576189
2013	18.6702255850788
2014	16.08653421855
2015	9.87899879376714
2016	10.050012393618
2017	17.0883999734036
2018	19.8676151919941
2019	14.7739570464507
2020	13.4736928829141
2021	33.1372162654312