Year % of GDP 1960 -2.5160449977323704 1961 -1.1514311624892364 1962 -2.4719652581981393 1963 -1.4182171222415307 1964 -1.6260194570852287 1965 -3.1065602448815697 1966 -7.005438621379569 1967 -8.582235600802699 1968 -3.7074290759997917 1969 -2.7942223612913613 1970 -2.4594852691875313 1971 -2.239889748950622 1972 5.647189217847009 1973 -9.592425314420055 1974 -13.53240047469651 1975 -8.89697192475666 1976 1.1526785961272843 1977 -5.335161427581667 1978 3.160406767245388 1979 13.892217457949215 1980 -19.03956131179858 1981 -19.43683109180345 1982 -10.076404891042545 1983 -10.592312283434643 1984 -13.007772562411757 1985 -7.060061869420359 1986 -8.0552892257023 1987 -1.9896836115401162 1988 -40.289326624810165 1989 -32.65466191705611 1990 -21.39409557116708 1991 -30.684005705817995 1992 -36.01517179830433 1993 -27.430113028512952 1994 -12.801462554569223 1995 -11.849621898978558 1996 -14.788122081007996 1997 -19.166440281257824 1998 -18.344834038622682 1999 -25.47708548275203 2000 -21.08216568661598 2001 -19.896309782328174 2002 -20.39701263894219 2003 -20.76506805806137 2004 -21.075605300352805 2005 -22.88146191808032 2006 -24.775745132028476 2007 -26.8979415995502 2008 -27.853246011591597 2009 -19.030635519666333 2010 -19.430425763958688 2011 -21.793760436532196 2012 -20.238877710257952 2013 -20.556183685720494 2014 -16.68206859206947 2015 -18.02667188178553 2016 -16.04972361161515 2017 -13.702568311287052 2018 -9.43020234167421 2019 -4.4332808703466835 2020 -5.1185848348262155 2021 -13.460552686542263 2022 -15.64552786446088 2023 -13.271296162335044