Year	% of GDP
1967	-12.54207099482539
1968	-7.872552681727639
1969	-7.808591474439129
1970	-5.7319739513195485
1971	-6.799846915996309
1972	-9.540039507701856
1973	-12.655306304049455
1974	-28.146423023454602
1975	-19.603217738366034
1976	-10.025443160345036
1977	-6.823716171198006
1978	-18.230583230262223
1979	-15.23361759026494
1980	-14.416865851537716
1981	-15.503104347669282
1982	-15.37829774050621
1983	-16.156622295797924
1984	-17.814599588216534
1985	-25.701635694384468
1986	-20.466931947485573
1987	-14.933056643409289
1988	-17.665490963105697
1989	-13.195036477839258
1990	-15.276977627473984
1991	-15.044444480422353
1992	-18.243798342073948
1993	-14.53859466063914
1994	-17.54872067774606
1995	-17.122092875022165
1996	-14.751466168890106
1997	-9.384303454982934
1998	-7.670444981953853
1999	-9.524457764129515
2000	-10.46539451864768
2001	-7.575928882833065
2002	-1.6543837448600476
2003	-7.089460917665353
2004	-7.957248247968785
2005	-8.147587092504526
2006	-4.118783636843904
2007	-8.34552394350251
2008	-13.187636065236749
2009	-7.092565545689992
2010	-12.310956885681607
2011	-8.461201950577808
2012	-3.407914538848554
2013	-14.936580353975806
2014	-15.527733574065957
2015	-15.552222662496822
2016	-16.877470474613855
2017	-13.640260451312203
2018	-11.100034000423975
2019	-12.248120500514439
2020	-5.677314178217163
2021	-11.47565282207778
2022	-10.73875418074498
2023	-9.594714760328694