Year	% of GDP
1980	0.7627629158326449
1981	0.6222588657991557
1982	1.2866734896069523
1983	0.9586414403228741
1984	1.1585547225298725
1985	2.149783230042038
1986	1.706537601436365
1987	2.0150239048803904
1988	2.070972472169003
1989	2.309676638520164
1990	2.3125588147272524
1991	2.380414968039677
1992	3.498092042182445
1993	3.5395125396679523
1994	4.772402362418352
1995	3.0650210816924277
2003	5.859081034032189
2004	7.6857397028121195
2005	8.267358707563913
2006	9.048487358635262
2007	9.306017992195619
2008	11.065847452639765
2009	11.090573985990051
2010	9.609485767977993
2011	10.573291211403241
2012	10.848473414075528
2013	0
2014	13.902154284437563
2015	13.65030669291793
2016	11.526603328153538
2017	12.213985193974642
2018	14.520573688524472
2019	14.104105889801263
2020	18.50191883379789
2021	22.219971886783092
2022	22.682877150557225
2023	20.772191025992434