Year % of GDP 1970 1.1387285905287055 1971 1.1958529166759642 1972 0.7107127600884093 1973 1.4141274562760213 1974 2.121823274111762 1975 1.3726761873026678 1976 1.292355805579364 1977 1.6826720512084428 1978 1.1275862469822386 1979 1.4737058192810564 1980 1.7918196888877673 1981 1.0872316730446914 1982 1.0510185697729804 1983 1.057718801056284 1984 -0.0752615937834715 1985 1.1192803904747564 1986 1.4248206698306272 1987 1.754640337121547 1988 2.90410516796534 1989 2.9246612199699253 1990 3.7838056798246846 1991 2.0339730170210775 1992 1.9506654466924482 1993 1.8547641890158193 1994 1.7151699497404596 1995 2.166968265409548 1996 2.2831517081336514 1997 3.287298646770024 1998 6.640741935893532 1999 7.695772086161521 2000 9.854512069478037 2001 3.3998059098334013 2002 5.026548636812351 2003 1.752864087723203 2004 3.595239298386743 2005 9.934546400495089 2006 7.518583128994673 2007 6.779300044704654 2008 8.65204820165557 2009 0.6029039806834037 2010 2.684973590100001 2011 1.014039751665632 2012 1.7269759944821192 2013 1.9560517402681843 2014 1.92156774768545 2015 1.5483216853328392 2016 12.078852813464824 2017 4.677309144354613 2018 -0.8726043336523566 2019 0.694070007703287 2020 5.826420609578985 2021 0.18851635056257404 2022 1.4535528819585795