Year % of GDP 1972 -18.186443763015696 1973 -14.037287429139065 1974 -19.561175054671857 1975 -10.367440827941497 1976 -8.968089022987904 1977 -4.459481037196947 1978 -6.019569055985687 1979 -7.914249658486799 1980 -13.135804671666227 1981 -10.368009979278048 1982 -8.059103458334127 1983 -3.4327940471914875 1984 -1.9488673700052144 1985 -0.018981074332132086 1986 1.7148042936736316 1987 -0.5193446890521984 1988 7.634234347514606 1989 9.7279605415254 1990 8.637241404352707 1991 10.733964136633592 1992 11.346066038019206 1993 6.948514397362994 1994 15.47015789561369 1995 16.49675044772237 1996 14.62734711536304 1997 15.569835547841215 1998 21.7915511543613 1999 17.20388024015228 2000 11.071503192789727 2001 14.432930280856466 2002 14.877053756805584 2003 24.302082314655756 2004 19.31112136069556 2005 23.26047730411952 2006 26.893381350331115 2007 27.143332530686937 2008 15.08343561816005 2009 16.393063292817978 2010 22.933347218378493 2011 22.2184518342372 2012 17.643273904599493 2013 15.707187590208974 2014 17.950213549187737 2015 18.693022290309386 2016 17.811245489713425 2017 18.159377265236103 2018 15.97529904376718 2019 16.04098695974498 2020 16.583282694761422 2021 19.842181964759263 2022 17.995191990995057 2023 19.769103480656916