Year	% of GDP
1971	4.55094003677368
1979	5.08760976791382
1980	5.72619009017944
1981	6.69696998596191
1982	7.03278017044067
1984	5.66629981994629
1985	6.1111102104187
1986	7.24336004257202
1987	6.32600021362305
1992	5.11143016815186
1993	4.65463018417358
1994	4.70528984069824
1995	4.3425498008728
1996	4.91384983062744
1997	4.62037992477417
1999	5.68678998947144
2000	5.9716100692749
2001	7.48446989059448
2002	7.65792989730835
2003	7.50288009643555
2004	5.92389011383057
2006	4.48576021194458
2007	4.37253999710083
2008	3.95851993560791
2009	5.97418022155762
2010	4.96645021438599
2011	5.76293992996216
2012	5.73902988433838
2013	5.48120021820068
2014	5.02899980545044
2015	4.7039999961853
2016	4.34600019454956
2017	4.18499994277954
2018	4.13199996948242
2019	3.98000001907349
2020	4.51999998092651
2021	4.27099990844727
2022	3.50600004196167