Year % of GDP 1960 -0.30493227232386255 1961 -1.5841077126276735 1962 -3.6642172497940613 1963 -1.0111202772702828 1964 -4.831980200722911 1965 -4.530717463293346 1966 -3.6330393097455413 1967 -5.945283478309133 1968 -6.3351281737664 1969 -7.115382972564594 1970 -7.328308173787362 1971 -3.233223465474992 1972 -6.280901434929496 1973 -8.220249105956118 1974 -16.70241742213594 1975 -11.747124813395054 1976 -12.074166849878647 1977 -9.68692843442561 1978 -5.298053068853251 1979 -8.330045742615528 1980 -13.54185241529554 1981 -12.045667464662568 1982 -15.126964323878664 1983 -6.089417531646543 1984 -4.065062413812453 1985 -12.154732422198817 1986 -0.6914457501763782 1987 -4.378667706220071 1988 -5.288679089572367 1989 -6.69861357026724 1990 -5.47950362389691 1991 -6.300259130521088 1992 -5.143321269028058 1993 -4.280410873169112 1994 -7.360464824505887 1995 -5.7014307739961785 1996 -5.948148719969772 1997 -6.09856903370689 1998 -7.079579622907205 1999 -6.063925549092092 2000 -6.033373301233394 2001 -6.102040053907785 2002 -6.9967696539560755 2003 -6.834336946918055 2004 -8.44696522736728 2005 -9.524909784781537 2006 -8.790487937879425 2007 -9.369725751854894 2008 -13.35022486043389 2009 -19.556555461368514 2010 -19.577157106358882 2011 -19.667284282653092 2012 -12.884810329173046 2013 -12.33708194515208 2014 -13.849874980843296 2015 -16.19069044731238 2016 -12.121431436720355 2017 -13.45802930859166 2018 -14.947374089121872 2019 -15.583812592973773 2020 -16.037299444704576 2021 -17.028452212030015 2022 -14.28495392247574 2023 -12.769064889237406