Year	% of GDP
1964	-0.43922952114319147
1965	-2.415270744059213
1966	-3.8404175988068605
1967	-4.235946159936659
1968	-3.1649794658315002
1969	2.4370549805476034
1970	1.7402906285349653
1971	-1.118757227099972
1972	-1.2611734601877056
1973	1.2351342015900864
1974	-2.0366084881516247
1975	-9.362768357294964
1976	-7.386442509535534
1977	-7.010260196650407
1978	-4.185219316427433
1979	-7.180772449849298
1980	-15.352661185633925
1981	-16.72341742764278
1982	-10.177625428482393
1983	-10.964234315868024
1984	-1.7805458875251878
1985	-1.7869414988801144
1986	-3.0933062880324558
1987	8.77536642878619
1988	14.33318841568031
1989	6.246864371197343
1990	0.6891224361189601
1991	2.2547023610562427
1992	-1.3109888071238636
1993	-4.294741474349131
1994	3.8630252152672107
1995	-7.852377672039259
1996	-14.705061460426128
1997	-1.8786347093850249
1998	-7.20955516219026
1999	-6.093380497207925
2000	-21.26027578492865
2001	-20.030868390112747
2002	-21.581480920543274
2003	-18.275964470122535
2004	-12.80867072691127
2005	-11.895620753973947
2006	-8.283069699690994
2007	-9.224192545869645
2008	-12.44105972259118
2009	-14.645190232209329
2010	-17.686705646878593
2011	-39.70228110609197
2012	-19.481890542252486
2013	-30.19928689650336
2014	-21.66561713429181
2015	-27.857596018329172
2016	-28.148328026280563
2017	-22.10159864329603
2018	-21.761233325835764
2019	-19.696777710849524
2020	-21.375797760092176
2021	-24.53454403646456
2022	-24.33804481997253
2023	-26.809826532623692