Year	% of GDP
1970	2.421848053456793
1971	1.8035661603020352
1972	2.0258224964850453
1973	2.9121360603939923
1974	1.9560837076663713
1975	2.483309334224396
1976	1.375998875283846
1977	2.3146656939596864
1978	1.5712930186275944
1979	1.2391860751471968
1980	2.537002849067309
1981	2.489653909288813
1982	2.6176620693171704
1983	2.2920989678379144
1984	1.9129782876831936
1985	1.706366107497408
1986	0.7485002438745061
1987	2.388830693315364
1988	2.584849533682417
1989	2.83601628616674
1990	0.055551236846875955
1991	0.20814881048284015
1992	3.518207298256198
1993	2.0532800921000507
1994	0.22132553779374736
1995	0.4538147258989312
1996	-0.9127564874714666
1997	0.7032282799842599
1998	1.822335652068764
1999	-3.8172606134458604
2000	1.1187037151114387
2001	1.8782251240790167
2002	1.6473661237723671
2003	1.6203800104423653
2004	6.1962042664004535
2005	4.020872037324712
2006	13.715562434215439
2007	10.390120425937694
2008	13.595010058069597
2009	7.403989859341547
2010	6.335966673508545
2011	5.755333502650644
2012	5.436309025356686
2013	5.267674515691449
2014	5.661025569794234
2015	3.807102076495861
2016	6.103408997966616
2017	5.2627207264929154
2018	6.140333895417969
2019	4.400128478452246
2020	3.8479666513499144
2021	5.9001859691477865
2022	2.5303377942344265