Year	% of GDP
1966	-1.5726550505043457
1967	-2.071787916090462
1968	-1.3844279049467814
1969	-2.075801678560972
1970	-2.8326729391232637
1971	-2.025312261780438
1972	-0.40839516295378836
1973	-1.8935883388049652
1974	-3.3485631518186003
1975	-0.9597361198100736
1976	-4.53170505727966
1977	-3.567330679538381
1978	-2.2164519033288363
1979	-2.3818890449131085
1980	-0.4502431287550253
1981	1.4067389835510389
1982	0.9086236587021191
1983	2.209590625046334
1984	1.67682629586152
1985	0.7749856600652574
1986	-0.19903128575972767
1987	2.0547230464882285
1988	3.476146046237933
1989	3.7950404810853757
1990	5.556115314250669
1991	6.21842716332108
1992	6.906796909865899
1993	7.5274973467368085
1994	5.923266888491023
1995	4.709311300872423
1996	5.663501239564466
1997	4.357259698226567
1998	3.0740023159669607
1999	5.999675412593004
2000	6.7105800749768765
2001	7.14041202528438
2002	6.8519835655675045
2003	6.79511033517535
2004	5.649104642771909
2005	5.50451017427242
2006	4.093357835694202
2007	2.897218925449478
2008	3.52336492423194
2009	4.497107630474517
2010	6.94587839116865
2011	6.394502367091507
2012	6.02001769439584
2013	6.6074968895546276
2014	6.96236253046125
2015	6.78812039733003
2016	6.683132260185543
2017	7.175363657179925
2018	6.144612548790971
2019	7.069535826735446
2020	6.483722034401603
2021	6.693679746912727
2022	11.095114851194761
2023	9.566530037618644