Year	% of GDP
1970	-1.5603261858151383
1971	0.13248828274798793
1972	-0.5025948598712631
1973	-1.4641155149816834
1974	-5.326219222367996
1975	-4.334346404311865
1976	-4.943760814269551
1977	-2.6599035328906004
1978	0.03386558322744764
1979	-0.42768876656485094
1980	-2.9790190600078823
1981	-2.813282815449015
1982	-2.5742026391548656
1983	-1.6178869855807878
1984	1.0646890229349206
1985	0.8628560165203485
1986	1.047308761175335
1987	-0.8702744813124614
1988	-2.1079077443214396
1989	-4.179428598840135
1990	-4.161136920909724
1991	-3.957101619797894
1992	-3.6027443049805643
1993	-1.5321187601273782
1994	-1.022207866706264
1995	-1.1211755408304167
1996	-0.18049766661283762
1997	0.1733209055824738
1998	-0.4575597174784575
1999	-1.9334489351594617
2000	-2.9556178812720826
2001	-2.2739171432525005
2002	-1.991189403803872
2003	-2.2058768538115787
2004	-3.7002130464478493
2005	-4.803759501464916
2006	-5.69452981252671
2007	-5.778126130247252
2008	-4.735471695052278
2009	-0.8714859775764666
2010	-1.024881864513116
2011	0.27675337457685595
2012	2.065165104586928
2013	3.927589237339531
2014	3.097690507917816
2015	3.0385161934231957
2016	3.9850325729976133
2017	3.604067812939788
2018	2.7151850839674743
2019	2.9399131121072197
2020	1.4390398655954817
2021	0.9615557682710323
2022	1.2116220048322275
2023	4.123500484646919