Year	% of GDP
1970	0.6046754737478606
1971	0.48246555350474307
1972	0.5730547020975523
1973	0.6552656983139887
1974	0.33392806179998874
1975	0.8148832218334101
1976	0.6042450886404058
1977	0.5418320263076741
1978	0.611073571642104
1979	0.9408780691294175
1980	0.6663617175193285
1981	0.3152438649833289
1982	0.23249074627615557
1983	0.24132934218079172
1984	0.31751433334497386
1985	0.08481257918049386
1986	0.4263225574287536
1987	0.8196753387852032
1988	0.41442293406319336
1989	0.9036475597261759
1990	1.005174451598016
1991	0.8000806738540228
1992	0.9013351630984151
1993	1.207250677584023
1994	1.234898938362913
1995	1.4406232456066292
1996	1.2760862526294041
1997	1.415089060375268
1998	1.9283187556363546
1999	2.569624963607752
2000	1.8180750431764776
2001	1.3800980898662238
2002	1.637690834421254
2003	1.7040008030410816
2004	3.0612916417154965
2005	0.4033300516895327
2006	2.0542093663365493
2007	3.6194676496736125
2008	2.326243806475646
2009	2.159107289667882
2010	2.324597475800837
2011	2.798868595947674
2012	2.3209099069335064
2013	2.3268963702475784
2014	2.200851674379199
2015	1.651110611035714
2016	1.5943439887225217
2017	2.0875528793395017
2018	-0.6328269491331452
2019	0.5340127812346737
2020	1.3443824611510133
2021	1.6702105714788626
2022	1.6557225443584993