Year	% of GDP
1970	0.0899595668471882
1971	0.2254814425121605
1972	0.29310231279303167
1973	0.41679630927148636
1974	0.08770754614451093
1975	0.23166942050419337
1976	-0.001112676450471639
1977	-0.26508006122361394
1978	-0.12579680253600145
1979	-0.24453600301942302
1980	-0.36457347055461753
1981	-0.36370004081743446
1982	-0.6253640398436495
1983	-0.5539125514086436
1984	-0.5598736813357768
1985	-0.5542473052138241
1986	-0.38021967573724424
1987	-0.2392235126651201
1988	-0.3122753240054621
1989	-0.41530758580503857
1990	-0.33093396421374877
1991	0.010412961411351063
1992	0.37204467787596585
1993	0.388217213827442
1994	0.43463172638825043
1995	0.4105643209807184
1996	0.35175451378519895
1997	0.4716428829291104
1998	0.38883877083302565
1999	0.2386128683892359
2000	0.03018036336009189
2001	-0.06474218471678839
2002	0.17138934167369513
2003	0.16119380205066847
2004	0.24190968511944178
2005	0.31232171257560637
2006	0.5072239583988676
2007	0.6546554206820048
2008	0.5491571721392638
2009	0.5799367707646326
2010	0.7990681931769572
2011	0.8267249414843967
2012	0.8652754722658464
2013	0.9177037830278358
2014	0.7216257188730744
2015	0.7228621987107076
2016	0.7098287890649466
2017	0.7264532896331524
2018	0.6608194824872236
2019	0.5653505076846308
2020	0.7520210855521299
2021	1.024626494277058
2022	0.6386996959000264
2023	0.598443403399969