Year % of GDP 1960 -1.8972788326254153 1961 -1.5417480766924947 1962 -1.6351871283665615 1963 -1.6471333544504276 1964 -2.701870733728792 1965 -2.824095149774311 1966 -0.19414683253038467 1967 -3.3023735810113517 1968 -1.6827072337783295 1969 0.37309084604703546 1970 0.7930672268907563 1971 -1.4107214832728738 1972 0.37119878170656256 1973 0.6772535934433446 1974 -3.257947280023637 1975 -1.8102526125236569 1976 -6.011041348313227 1977 -1.8009323309576744 1978 -5.786908846344386 1979 -4.502651044457131 1980 -2.7326843260944065 1981 -6.511761608651934 1982 -3.90042459219082 1983 -1.5580098758890664 1984 -2.1488912127888997 1985 -1.0357865547615503 1986 1.4597802660703354 1987 -6.445146664674985 1988 -5.832563324387344 1989 -5.1666484142999956 1990 -3.8144435855843137 1991 -3.6150442998627326 1992 -9.230270207130097 1993 -8.372865938942736 1994 -7.331002801203759 1995 -6.171342280752962 1996 -4.77271835901729 1997 -5.639735110928477 1998 -8.080526721055385 1999 -8.350658603707364 2000 -8.755519113568317 2001 -13.341936606576082 2002 -13.652257930140852 2003 -14.640139753283806 2004 -15.376052940242582 2005 -16.19389658056977 2006 -17.23225687073632 2007 -17.040329102608045 2008 -14.930038679586477 2009 -9.305034009747516 2010 -10.674263906303342 2011 -10.911639472291307 2012 -11.42523406235421 2013 -12.688909959702723 2014 -11.594553432130098 2015 -10.233637937287044 2016 -8.866558929316785 2017 -9.07932779841159 2018 -10.673029018267867 2019 -10.292790443275896 2020 -8.454001893620713 2021 -14.067323275000037 2022 -16.638878012031043 2023 -15.74789063079883