Year	% of GDP
1980	39.829352856246445
1981	37.618072833336555
1982	38.338467231547554
1983	38.109025790207134
1984	38.468863277171735
1985	39.486201205155204
1986	38.28657561974048
1987	33.01187336096989
1988	34.847186314193735
1989	32.41395808051721
1990	31.61073410942385
1991	30.166691592511135
1992	30.49299525378467
1993	28.590462557710904
1994	30.390062343478792
1995	27.847829886780183
1996	27.177427105257056
1997	27.291478976678114
1998	25.83867751413671
1999	24.13997484696043
2000	21.620602872314056
2001	20.883588560920092
2002	20.819981449249873
2003	19.786842389249802
2004	19.378514955420687
2005	18.033934683079202
2006	17.341299234672878
2007	14.906241021340602
2008	14.487692875997721
2009	14.005454995288005
2010	12.675559299248915
2011	12.038783206698188
2012	11.773794186714362
2013	12.041800709241345
2014	12.249950338251626
2015	12.178174865228728
2016	12.182062613538237
2017	12.929791112483821
2018	13.550919688820823
2019	12.933952719725001
2020	15.703074516654144
2021	15.794779036942202
2022	14.671008774589392