Year	% of GDP
1980	21.124238240198032
1981	16.119320715579853
1982	9.971143805735183
1983	10.305525346281783
1984	11.274058195038931
1985	9.492539705484411
1986	5.27560941823746
1987	6.1997319317760935
1988	4.432400352755668
1989	6.272685261022236
1990	7.361820114468591
1991	4.252431823022974
1992	4.365249079827444
1993	4.194837968579969
1994	3.401377204251252
1995	2.9783345327458575
1996	3.589312706823635
1997	3.1477638682048665
1998	1.7154469521900926
1999	2.6809802817167845
2000	4.461868216293967
2001	3.2796835476152277
2002	3.0876809087549617
2003	3.0529875177900516
2004	3.592654244191335
2005	4.765688021664194
2006	5.440048161034262
2007	4.8380851409109615
2008	5.634975388073784
2009	3.4444157111034523
2010	4.523983739983855
2011	6.25932550994616
2012	5.602608096725089
2013	5.2324032039905255
2014	4.586303773651009
2015	2.446954842602515
2016	1.8178252413758267
2017	2.1486251879018683
2018	2.7655528255279536
2019	2.39370034526972
2020	1.5898235737100193
2021	3.3168534569814963