Year	% of GDP
1980	21.0908278102494
1981	11.7336878181279
1982	5.52402429250969
1983	12.2936725166119
1984	15.0651246347286
1985	14.8659504369977
1986	7.38301090941038
1987	16.1065503102677
1988	15.3009421574308
1989	22.7167782868397
1990	29.1038270597221
1991	17.9679803050029
1992	28.4793982385248
1993	36.6624684792486
1994	43.6365130125438
1995	44.2109966299264
1996	41.3617166839795
1997	39.4514891636558
1998	24.2693807744448
1999	40.8033543240701
2000	59.1425103628059
2001	44.219476594374
2002	32.8837159773494
2003	28.4066969543848
2004	33.7707170143085
2005	42.7600742732017
2006	40.7534428993222
2007	45.881176080136
2008	52.5607729557913
2009	30.3114661376593
2010	38.1623101146694
2011	39.0226784952754
2012	34.7310076331615
2013	29.4000452272015
2014	22.124247625088
2015	13.3056748880613
2016	20.8851202682195
2017	25.9503299089307
2018	32.045405604301
2019	28.8978590593907
2020	20.2476653863539
2021	29.9674348417559