Year	% of GDP
1972	1.1603031794508323
1973	0.48666605255952516
1974	1.2260862221615674
1975	1.7226813048733167
1976	1.463061067058197
1977	2.672905759600943
1978	1.9612962030857624
1979	3.2886452930318506
1980	3.735531850902954
1981	4.66120691008087
1982	5.30113613701278
1983	6.754864102604641
1984	8.097186640958022
1985	6.484666154714767
1986	4.34784007090176
1987	3.8130042473901518
1988	3.4460930772376672
1989	2.324214965418061
1990	5.327628177288628
1991	3.2538400910960075
1992	3.9138287536524805
1993	10.212093939359598
1994	4.391273630198507
1995	6.5480989727007
1996	7.977729659325085
1997	2.857918328155596
1998	3.2555883713068328
1999	2.546649127165914
2000	1.8626114758584458
2001	-0.35453900469007676
2002	0.5668445761051816
2003	-0.8133006992032719
2004	0.5378581545842779
2005	-0.1929104416454472
2006	-0.19738592096861796
2007	-0.7705269269206612
2008	3.915564531456836
2009	11.12754050123985
2010	4.736057513823013
2011	6.455201162575019
2012	17.951074656108307
2013	8.479018897584739
2014	6.7194380154827495
2015	5.501826977599917
2016	4.228536788984952
2017	5.8640109516673755
2018	4.915232619356054
2019	3.0865136580245407
2020	12.98281512258005
2021	9.95970468586211
2022	6.833495227958545