Year % of GDP 1960 -1.069257610870261 1961 -1.9808752944610077 1962 -2.0229593466636557 1963 -3.7673356439798225 1964 -4.061754911246702 1965 -2.9139832483348953 1966 -3.2300226951647906 1967 -4.454965142836286 1968 -8.535513346538991 1969 -9.533398927707811 1970 -7.159677053765991 1971 -9.025830923086604 1972 -7.598627769840746 1973 -11.583059755975448 1974 -10.805059280922746 1975 -9.282379584481761 1976 -11.16431102541148 1977 -12.722712108091644 1978 -14.428618489388088 1979 -12.117727650807895 1980 -17.081622552454235 1981 -23.154719856635754 1982 -17.867435892872663 1983 -21.104380790299114 1984 -19.64806733563031 1985 -15.164842149350635 1986 -11.702784109100271 1987 -10.737167559155827 1988 -10.5816363499831 1989 -10.189552703993394 1990 -10.677060669211698 1991 -11.151440943227136 1992 -11.478719215873165 1993 -11.666246750124296 1994 -12.295256429714222 1995 -11.41168458876739 1996 -10.104101929194464 1997 -10.575457176302532 1998 -10.928743007183252 1999 -11.476747340077663 2000 -13.151790526867574 2001 -14.319217856110896 2002 -13.910539360493528 2003 -14.385166525870979 2004 -15.455877375972795 2005 -15.289968427545952 2006 -15.632068520523204 2007 -18.162527900534872 2008 -21.069167294490672 2009 -13.519557771566745 2010 -12.495377541304382 2011 -14.96978082765375 2012 -17.026555160889814 2013 -15.927281739861904 2014 -14.885935493454298 2015 -12.755948670856865 2016 -10.986453014677496 2017 -13.8451135501283 2018 -15.891656522656772 2019 -14.269982211327504 2020 -18.645765902565405 2021 -20.096789757028958 2022 -26.317962507135224 2023 -18.315018392904246