Year	% of GDP
1978	3.17053008079529
1986	2.20775008201599
1987	2.54804992675781
1990	2.2441999912262
1991	2.27630996704102
1999	1.69001996517181
2000	1.61265003681183
2002	1.5195699930191
2003	1.53980004787445
2004	1.6245299577713
2005	1.65222001075745
2006	1.41506004333496
2007	1.31332004070282
2008	1.29000997543335
2009	1.25458002090454
2010	1.11760997772217
2011	1.10792005062103
2012	1.98000001907349
2013	2.63800001144409
2014	2.22000002861023
2015	1.9099999666214
2016	1.75399994850159
2017	1.75399994850159
2018	1.56599998474121
2019	1.76800000667572
2020	2.14499998092651
2021	1.87300002574921
2022	2.11500000953674